Designed for AR .223 / 5.56 pistols, this blast diverter directs muzzle flash and sound away from the shooter allowing you to quickly recover from your shot for fast quick follow up shots. Though the PBD is designed for pistols, it is equally as good on full-size rifles as well. Features: Linear comp design diverts muzzle blast forward Constructed of tool steel with a phosphate finish 1/2 - 28 threads for 5.56/.223 pistols or rifles 1.090" outside diameter Includes new crush washer 100% made in the U.S.A. Lifetime Warranty Shop Palmetto State Armory for the widest selection of Modern Sporting Rifle parts and accessories at the best prices around!