This video provides a detailed explanation of why crush washers should be avoided when installing QD muzzle devices for suppressors. It argues that crush washers can deform and lead to misalignment, potentially causing baffle strikes and accuracy issues. The video advocates for the use of shims as a superior alternative for achieving precise alignment, also briefly mentioning peel washers, jam nuts, and the Precision Armament Accu-Washer system. The content aims to educate the AR-15 community on proper installation techniques for safer and more accurate firearm performance.
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