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 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 Details GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $139.99 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 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 Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock 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 Details GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $139.99 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 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 Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock Compare Compare Selected × OK
Quick view Details GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel MSRP: Now: $139.99 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 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 Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock 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 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 Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock Compare Compare Selected × OK
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 Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock Compare Compare Selected
Quick view GREEN MOUNTAIN | sku: SECOND-GM-16 2ND: Green Mountain 16" 1:7 Twist Carbine Length 5.56 AR-15 Barrel NOTE: THIS BARREL IS A SECOND AS IT HAS SOME SLIGHT COSMETIC DEFECTS 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... MSRP: Now: $139.99 Out of stock Compare Compare Selected
