Flat, non-serrated muzzle face helps prevent catching or snagging muzzle tip during storage or deployment. Five, longitudinal vents help hide flash while dispersing gases up and outward; tames muzzle rise and keeps your front sights on target. Outward facing ports and solid panel on bottom help eliminate dust signature when shooting in the prone position. For threaded barrels only, includes crush washer.
AR-15, Issue:11, Page:027
Big Book Catalog, Issue:71, Page:027