Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID USP View cart “Rugged Suppressors FLASH HIDER FRONT CAP 5.56” has been added to your cart. Gemtech PISTON GM-45 LID USP$14800 Out of stock SKU: 12191 Category: Accessory-Silencer Accessories Product ID: 26717 Description Description GM-45/Blackside PistonFits HK USP 45 Pistols Related products Sale! SIG SAUER FLASH HIDER CL 5.56MM 25 DEG # $17999 $14425 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 $8444