GrovTec AR-15 Crush Washer 5 Pack – 1/2 Inch

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Magpul Armorer's Wrench w/ Bottle Opener (MAG535)

Magpul Armorer's Wrench w/ Bottle Opener (MAG535)


Grovtec 1/2 Inch Crush Washers

Grovtec’s 1/2 inch crush washers come in handy when you’re experimenting with different muzzle devices. These turned crush washers fit onto the muzzles of 1/2×28 or 1/2×36 threaded barrels, and ensure the muzzle won’t spin off after firing. For AR-10s or .30 caliber threaded muzzles, check out Grovtec’s 5/8 inch crush washers.


  • Material: Steel
  • Finish: Black Nitride
  • Fit: 1/2 inch Muzzle Threads (5.56, 9mm, etc)

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

GrovTec products are warrantied to be free of manufacturer’s defect for LIFE.

If your item(s) is defective please contact Grovtec via email or phone for return instructions: