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Muzzle Device Alignment Set

Shim Kit for 1/2" threads [.223]


This shim kit is a replacement for the peel washer and is used for mounting muzzle brakes and flash suppressors. New muzzle brakes normally supplied with the necessary washers, nuts, or shims; however sometimes replacement washers are needed if one is damaged or if installing a muzzle device on a different gun.

While Peel washers require you to heat them and then peel off separate layers of the washer to get to the desire thickness, a Shim Kit is much simpler. There is no heating or peeling of layers needed. Just install the necessary combination of shims to get the precise alignment you need.

This PWS shim set is comprised of 3 different sized shims: 1 large, 8 medium, and 1 small.
  1. The large shim can be used to give the installer one half of a rotation or as a spacer for barrels that do not have relief cuts behind the threads.
  2. Shim 2 is used in varying quantities to achieve the proper alignment of your muzzle device. This shim gives the installer approximately 45 degrees of rotation.
  3. Shim 3 can be used where smaller degrees of rotation are needed for proper alignment.

  • Fast, simple alignment
  • No heating or peeling needed
  • Three sizes of Shims
  • Kit includes 1 large shim, 8 medium shims, and 1 small shim.
  • 1/2" Shim Kit works on any barrel with 1/2" diameter threads such as 1/2x28, 1/2x36, etc.
  • Made in USA by Primary Weapons Systems, Inc.
Availability: In Stock items ship in 1-2 days
Price: $10.00 CDN


Proud sponsor of the
Mammoth Sniper Challenge

Proud sponsor of the
Argyll Cup Sniper Challenge

Proud sponsor of the
Alberta Long Range Rally Shoot

Proud sponsor of the
Police Marksmanship Challenge

Proud “Recruit” sponsor of the Canadian Forces Small Arms Competitions Awards Program

Company Information

P.O. Box 48081
Dundas Sheppard
Mississauga, Ontario
L5A 4G8
(647) 204-7209
Email: info@coretacsolutions.com

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