Gemtech Blackside Suppressor in New-Condition Demo Fired 20 Rounds.

Gemtech Blackside Suppressor in New-Condition Demo Fired 20 Rounds.  16 X 1 thread fits H&K USP and others.  Included is an adaptor 9/16 X 24 that can be used with .40 caliber.   Retail $895, sell for $550.