The Strike Industries AR-15 .223/5.56 Crush Washer in black is an essential component for firearm enthusiasts and builders. Designed specifically for the AR-15 platform this crush washer ensures a secure and proper fit for muzzle devices enhancing the performance and reliability of your rifle. Crafted with precision and durability in mind it maintains the sleek and tactical appearance of your AR-15 while offering easy installation. Ideal for those seeking both functionality and aesthetics this crush washer is a must-have for maintaining your firearm's optimal performance.