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PMM Smith & Wesson M&P9 Compensator


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Yes (No Loctite 272)

PMM JTTC "Muschi" Mounting Block

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Product Details

The PMM Compensator uses a proprietary mounting system much like what is found on all modern rifles utilizing a combination of shims and proper timing of the compensator in relation to the Pistol slide.

Additionally, the PMM compensators utilize a single port design at the 12 O’clock position which maximizes the effectiveness of the compensator in keeping the muzzle of the pistol down and allows the slide to “track” faster and more accurately for follow up shots.

During testing the PMM compensators were designed to work with most factory loaded ammunition but will yield the best results with a +P or Nato spec cartridge. We have adapted our designs to integrate with and complement the design of your pistol so no longer does a compensator have to look like an afterthought slapped on the end of your pistol, Rather it Delivers unmatched performance and looks.

These do not fit S&W threaded barrels.  These were developed prior to S&W threaded barrels being made.  We will be releasing a new M&P comp in the future for the S&W OEM threaded barrels.



1 x Smith and Wesson M&P 9 Compensator


1 x Shim Kit:


4 x 0.010″ Shim

2 x 0.005″ Shim

1 x 0.002″ Shim

1 x 0.05mL Vial Loctite 272



  • 7075 Aluminum finished in a type 3 class 2 Black hardcoat anodize.
  • No set screws, mounts like a muzzle device on a rifle.
  • Captured design ensures that even if your comp comes loose it will not come off or impede function.
  • Designed around the SilencerCo & FAXONthreaded barrels (1/2×28) but will work with others that have the same threads. (Gap may vary)
  • Faxon factory barrels will require our barrel fitting service
  • Technology born and improved upon from ourPMM X-Comp pistol.
  • Made in the USA


Download PDF pmm_just_the_tip_compensator_installation_instructions__1_.pdf


PMM JTTC Installation Video

Additional information

Weight 0.5 lbs

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