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Shim Kit for Muzzle Devices (AAC)

Shim Kit for Muzzle Devices (AAC)

  • 1987


This kit of shims from Advanced Armament in the USA is an alternative to using a crush washer to correctly orient your muzzle device.

  • 1/2" version - 0.750" OD × 0.500" ID
  • 5/8" version - 0.750" OD × 0.625" ID

Included shims:

  • 0.008" white
  • 0.010" yellow
  • 0.012" green
  • 0.015" red
  • 0.020" blue
  • 0.031" black

    Installation Difficulty: 

    Tools required: The appropriate wrench for your muzzle device

    Installation notes: On a 1/2"-28 thread, you get about 10.08° of rotation per thousandth of an inch of shim. On a 5/8"-24 thread, you get about 8.64° of rotation per thousandth of an inch.


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