Precision crush washer for AR-10 platform rifles in .308 Winchester. Black finish. Essential component for proper muzzle device installation and timing.
Fits: AR-10
This crush washer is a critical component for anyone building or maintaining an AR-10 rifle in .308 Winchester. It serves a specific and important purpose in the muzzle device installation process.
A crush washer is not merely a spacer—it's a precision component that allows you to achieve proper muzzle device alignment without over-torquing your barrel nut. When installed correctly, it crushes slightly to take up any gaps between the barrel shoulder and your muzzle device, ensuring consistent zero and reliable operation.
Whether you're a seasoned AR builder or new to the platform, this washer is an essential part of any quality .308 build or maintenance project.