Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID MK23 Gemtech PISTON GM-45 LID MK23$14800 Out of stock SKU: 12190 Category: Accessory-Silencer Accessories Product ID: 26720 Description Description GM-45/Blackside PistonFits HK Mk 23 Pistols Related products Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 $7561 Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 $7135