Upgrade your 5.56 NATO rifle with the time-tested A2 Bird Cage Flash Hider. Featuring a classic bird cage design, this flash hider effectively minimizes muzzle flash, ensuring a clear sight picture during low-light or rapid-fire scenarios. Threaded for 1/2-28 barrels, it's perfect for 5.56 NATO and .223 Remington builds, offering broad compatibility. Built to Mil-Spec standards for rugged durability, it comes with a crush washer for secure, straightforward installation. Caliber: 5.56mm NATO Muzzle Thread: 1/2X28 Manufacturer: One Horse Country of Origin: U.S.A