GEMTECH BLACKSIDE-45

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 for $135. (ORDER HERE)