Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID MK23 View cart “Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI” 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 Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865. Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 Original price was: $8900.$8211Current price is: $8211. Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 Original price was: $10000.$8715Current price is: $8715.