5/8" CRUSH WASHER FOR .30 CALIBER THREADED BARRELS - AR15 / AR10 - STAINLESS STEEL
Mil-spec stainless steel crush washer for indexing .30 CALIBER AR15 / AR10 flash suppressors and muzzle accessories. Applications include 308 Winchester / 7.62x51, 300 Blackout, 300 Arrow, 300 Whisper etc.