Quick view Details GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel MSRP: Now: $164.99 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.95 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $179.99 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel MSRP: Now: $169.99 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.95 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $179.99 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel MSRP: Now: $169.99 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $179.99 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel MSRP: Now: $169.99 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel MSRP: Now: $169.99 Out of stock Compare Quick view Details GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 MSRP: Now: $159.95 Add to Cart Compare Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $159.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view GREEN MOUNTAIN | sku: GM-M16 Green Mountain 20" 1:8 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $164.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view GREEN MOUNTAIN | sku: GM-M7 Green Mountain 14.5" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.95 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view GREEN MOUNTAIN | sku: GM-M6 Green Mountain Fluted 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $179.99 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view GREEN MOUNTAIN | sku: GM-M17 Green Mountain 20" 1:7 Twist Rifle Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $169.99 Out of stock Compare Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view GREEN MOUNTAIN | sku: GM-M4 Green Mountain 16" 1:8 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected × OK
Quick view sku: GM16 Green Mountain AR-15 16" 5.56mm M4 A2 profile 1:7 .750 16" 5.56mm NATO M4 Replacement Barrel,1:7 twist, fully machined with extension, 41V50 milspec, button rifled, thermo stress relieved, precision air gaged. Chromed bore and chamber for optimum performance and durability.Drilled exhaust port, muzzle... MSRP: Now: $159.95 Add to Cart Compare Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected
Quick view GREEN MOUNTAIN | sku: GM-M5 Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green... MSRP: Now: $159.99 Add to Cart Compare Compare Selected
