Home / Accessory-Silencer Accessories / Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 You cannot add "Gemtech PISTON GM-45 LID MK23" to the cart because the product is out of stock. Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28$8500 Original price was: $8500.$8444Current price is: $8444. Only 2 left in stock Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 quantity Add to cart SKU: 12196 Category: Accessory-Silencer Accessories Product ID: 26726 Description Description For GM-45 SilencerRear Thread Adapter Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 9MM 1/2X28 $7895 Original price was: $7895.$7188Current price is: $7188. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 1/2X36 $8900 Original price was: $8900.$8211Current price is: $8211. Sale! Rugged Suppressors OBSIDIAN PISTON .578X28 $8000 Original price was: $8000.$7196Current price is: $7196.