Gemtech Blackside-45

Gemtech Blackside-45 Pistol Suppressor

Availability: Out of Stock


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The BLACKSIDE-45 is currently available threaded either M16x1-LH for the HK USP Tactical, M16x1-RH for the MK23/SOCOM, and 0.578-28 for the Glock 21, 1911, and other barrels. The recoil boosted (L.I.D.) version is currently available threaded 0.578-28 and M16x1-LH for the USP Tactical, M16x1-RH for the Mk23 SOCOM, and 9/16-24 for use with handguns chambered in .40 S&W. Extra pistons to allow a change of threading may be ordered separately

** NOTE: Although the Sig P220 Combat TB model with factory threaded barrel is threaded 0.578-28, it has shorter barrel threads than a standard 1911(0.375" vs. 0.450" OAL). Be sure to specify if you are using a Sig P220 Combat when ordering.


  • Caliber: .45ACP, .40S&W
  • Sound Reduction: 29 dB
  • Length: 7.6"
  • Diameter: 1.3"
  • Materials: 7075 Aluminum & Stainless Steel
  • Finish: Matte Black Cerakote with Reduced Visual-IR Signature
  • Mounts: .578-28, .578-28 SIG, 1/2-28, 16x1 RH-M OR M16X1 LH-M; 9/16-24 or M14.5x1
FFL Restrictions

FFL/SOT Requirements This item can only be shipped to a Licensed Federal Firearms/Special Occupational Tax Dealer.  Please our firearms shipping policy 

Export Restrictions

Government Export Restriction This item may be regulated for export by the U.S. Department of State or the US Department of Commerce. Please see our Export Policy.

ITAR Restrictions

ITAR Product By adding to cart, I understand, acknowledge, and agree to the Export Policy. I am a US Person, and I do not intend to export this product.  Please see our Export Policy


Additional Info

Additional Info

Manufacturer Gemtech
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