AAC Blackout 51 Tooth Flash Hider M1A .595-32 TPI

Proprietary features eliminate muzzle flash even on CQB-length barrels. Inherently stronger and more impact resistant than four-prong designs while not being subject to the rapid erosion of closed-ended units. A high strength corrosion-resistant aerospace alloy and ultra-hard Nitride finish provide the highest level of durability. Military tested and selected.