SureFire Muzzle Device Replacement Shim Kit – 1/2×28


2 in stock



One of the benefits of Surefire’s muzzle devices is the highly intuitive timing system, which uses several color-coded shims to achieve your ideal positioning. But, as with any small parts, it’s very possible for these to disappear. If you’re moving your Surefire devices between rifles and need a new shim kit, we’ve got you covered. This shim kit has everything you need for mounting a 5.56 surefire device on 1/2×28 threading.


  • Matches 1/2x28TPI thread pitch
  • Includes 12 Shims of Various Thicknesses
  • Tube of Rocksett included

The kit even comes with a small tube of Rocksett, which acts as a threadlocker to keep your device attached. But be mindful—too much Rocksett can make it very difficult to remove your device in the future. One or two drops is plenty.

SureFire designs and manufactures a wide variety of firearms accessories, from weapon lights to suppressors. The leading manufacturer of rugged, powerful lights, SureFire is synonymous with excellence in handheld illumination.


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