Yankee Hill Machine Crush Washer 5/8 Inch Inner Diameter for .308 AR Rifles

Description

The Yankee Hill Machine 5/8-inch crush washer is designed for .308 AR-platform rifles with standard 5/8×24 threaded barrels, ensuring proper muzzle device timing and secure attachment. A must-have AR parts accessory for anyone installing a flash hider or muzzle brake on a .308 AR build.