Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID 9/16-24 # Gemtech PISTON GM-45 LID 9/16-24 #$14800 Out of stock SKU: 12187 Category: Accessory-Silencer Accessories Product ID: 31204 Description Description GM-45/Blackside Piston Related products Gemtech PISTON GM-45 LID MK23 $14800 Sale! Gemtech ADAPTER SIG MOSQUITO # $4500 Original price was: $4500.$4183Current price is: $4183. Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 Original price was: $8900.$8211Current price is: $8211.