Our Birdcage Muzzle Brake/Flash Hider with 6 slots and solid bottom is designed in the extended A2 style with 1/2″x28 thread pitch. It’s constructed of solid 4150 steel and has a high quality Black Phosphate finish.
- Caliber: 5.56mm/.223 Rem. only
- Thread: 1/2-28 RH
- Weight: 2.56 oz
- Includes: crush washer
- Extended for use with 14.5″ barrels for pin and welds
- pre-drilled 1/8″ hole for pinning