Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID MK23 View cart “SilencerCo DELTA 1/2X28 THREAD SPACER” has been added to your cart. 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! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 $8472 Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24 $8000 $7196 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 90 DEG $17999 $16957