Product information for .223 (1/2-28) and .308 (5/8-24)
This crush washer is essential when installing/reinstalling a flash hider/muzzle brake/supressor/compensator onto your threaded barrel to guarantee proper fit and indexing of the muzzle accessory. Crush washer allows you to install your muzzle device onto your threaded barrel. No gunsmithing required.
Variants:
Package for .223 content: 5 x Crush Washer for AR15/M16 in .223 (fits 1/2-28 thread barrel)
Package for .308 content: 5 x Crush Washer for AR10 in .308 (fits 5/8-24 thread barrel)
Pictures are for general referance