Breek Arms Steel Crush Washers are made for AR15 barrels with a 1/2 x 28 thread.
Contains 10 Crush Washers
Size: 1/2 x 28 thread
- Black Phosphate
- Stainless Steel
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Worked perfectly, fit really well. No brainer to purchase for muzzle brake change-outs.
Good quality and nice looking products, great customer service.