Gunsmithing service for Installation or Replacement of gas block on your AR system. Includes removal of old gas bock if required. Gas block screws are fastened using Rocksett. New crush washer installation for muzzle device included if required.
Gunsmithing service for Installation or Replacement of gas block on your AR system. Includes removal of old gas bock if required. Gas block screws are fastened using Rocksett. New crush washer installation for muzzle device included if required.
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