Yankee Hill Machine Crush Washer AR-15

Product #: 399121 Yankee Hill #: YHM-28-5C-W UPC #: 816701015539
Ships 12/01/2015 from MidwayUSA
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  • Information

Factory replacement part for the AR-15, quality steel construction can be used either in conjunction with or in lieu of peel washers when mounting muzzle devices.


Technical Information

Gunsmithing Required: No


  • Can be used in place of a peel washer to mount compensator/flashiders.
  • Just place on barrel then thread on comp/flashider and torque to 15-20 ft-lbs, index
  • 0.730" outside diameter
  • 0.510" inside diameter
  • AR-15 crush washers won’t work for a 300 Blackout. If you’re building a 300 Blackout, you'll need to use an AR-10 size washer 
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