0.5″ (1/2″) Crush Washer — 5.56mm / .223 BBLs


  • Manufacturer: New Frontier Armory
  • Model: Standard Crush Washer
  • Size:  1/2″ (.50″ ID)
  • Dealer Price will appear in cart when logged in 

In stock

SKU: MD-CW-5 Categories: ,



  • Manufacturer: New Frontier Armory
  • Model: Crush Washer
  • Size: 1/2″ (.50″ ID) (5.56mm and 9mm)

Crush Washer 01


Standard 1/2″ Crush Washer for  AR-15 / AR-9  platforms.  This crush washer will fit 1/2 x 28 threads (most 5.56mm / .223 / 9mm  barrels).



The New Frontier Armory Crush Washer is proudly MADE IN THE USA by hard working American men and women.



Additional information

Weight .01625 lbs
Dimensions 2 x 1 x 1 in


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This is a serialized item considered to be a firearm by BATFE. This item must be shipped to a Federal Firearm License (FFL) holder. All BATFE, GCA & NFA rules apply! This item must be shipped to a Federal Firearm License (FFL) holder. You will be prompted during checkout to pick an FFL to ship to in your area using our FFL Locate tool. YOU will be responsible for checking with your local FFL to ensure this weapon is legal in the state that you reside and that they will accept this weapon on your behalf and transfer it to you. New Frontier Armory, LLC will NOT be responsible for any shipping or admin charges incurred by packages not being accepted by the FFL you choose during checkout.

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