The Strike Industries AR .308 Crush Washer is an essential component for proper muzzle device installation on .308 caliber AR-platform rifles. This black finish crush washer ensures secure timing and alignment of compensators flash hiders and muzzle brakes.Strike Industries AR .308 Crush WasherDesigned specifically for .308 caliber AR riflesBlack anodized finish for durability and corrosion resistanceEssential for proper muzzle device timing and installationHigh-quality construction for reliable performancePerfect for gunsmiths and firearm enthusiasts looking to properly install and time muzzle devices on their .308 AR builds with professional-grade components.