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WTS: Gemtech GM-9 NEW 9mm 1/2x28 300 Blackout Suppressor

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We have a NIB GM-9, with soft carry case and original product manual. Awesome, lightweight and compact. We use eFile.

We accept discreet PayPal (gift only) or mail us a check. $475 is a Shipped price w/tracking number provided. ($ OBRO)

The new GEMTECH GM-9 is a culmination of over two decades of center fire pistol suppressors. Many of you are familiar with both our Tundra and Multi-mount suppressor, the GM-9 takes the best of both of them and puts it into one great package. The tube diameter is the standard 1.25″ and it accepts all Multi-mount adapters. This suppressor is rated for sub sonic 300 Blackout as well as full auto 9mm. GEMTECH offers a variety of mounts to adapt this suppressor to carbines, sub guns, and pistols. It can be used with lesser calibers also. To top all of this off it is completely user serviceable. The tube separates from the G-Core and can be easily cleaned to prolong the life of the suppressor.


  • Sound Reduction: 27-30 dB
  • Caliber: 9mm, full auto, and 300BLK subsonic
  • Length: 6.5″ (without mount)
  • Diameter: 1.25″
  • Weight: 5 oz. (without mount)
  • Material: 7075 Aluminum
  • Tube Finish: Black Cerakote with Reduced Visual-IR Signature
  • Core Finish: Matte Black Anodize
  • Mount: All GM-9 suppressors are shipped with a 1/2-28 standard piston.

For Barrels:

  • 7.5″ or longer 300 BLK Subsonic ONLY




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