15 of 15 Items
15 of 15 Items
Explore our wide selection of 5.56 NATO barrels, designed for superior performance in your AR15 build. Engineered to handle higher pressures than .223 Remington barrels, 5.56 NATO barrels offer the versatility of safely firing both 5.56 NATO and .223 Remington ammunition. Whether you're building for tactical applications, target shooting, or general use, these barrels provide the durability and accuracy you need for consistent, reliable performance.