Precision Armament – Accu Washer Muzzle Alignment


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The most precise and easy to use muzzle device alignment system on the market. Simply choose the correct size Accu-Washer to accurately index your muzzle brake or flash surpressor while maintaining perfect bore alignment. Since only one Accu-Washer is required, the tolerance stackups and complexities associated with peel washers and other multi-shim systems are eliminated. This minimizes the risk of baffle strikes, ensuring maximum accuracy and safety from your muzzle brake or suppressor. Includes 18 individually marked washers (timing adjustable from 0-360 degrees in 20-deg increments) and easy to follow instructions. Precision machined from high strength 400 series stainless steel to a guaranteed thickness uniformity of ±0.0001″. All washers feature an oxide blasted non-reflective surface finish for low visibility. One Accu-Washer System will align approximately nine brakes (on average) before replenishment washers are needed. Designed to fit 1/2-28 threaded barrels. Specs:

  • Material: 400 series stainless steel
  • Finish: Oxide blasted, matte grey
  • Thread: 1/2X28 TPI
  • Outer Diameter: 0.750″
  • Thickness: 0.060″ – 0.094″

Additional information

Choose Size

1/2" (5.56/.223), 5/8" (.308/300BLK)


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