Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID USP View cart “Rugged Suppressors OBSIDIAN PISTON .578X28” has been added to your cart. Gemtech PISTON GM-45 LID USP$14800 In stock Gemtech PISTON GM-45 LID USP quantity Add to cart SKU: 12191 Category: Accessory-Silencer Accessories Product ID: 26717 Description Description GM-45/Blackside PistonFits HK USP 45 Pistols Related products AAC (Advanced Armament) TI-RANT FRONT CAP TOOL $2499 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 1/2X28 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament GHOST FIXED MOUNT M13.5X1LH $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Rugged Suppressors FLASH HIDER FRONT CAP 7.62 $10000 Original price was: $10000.$8715Current price is: $8715.