Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID 9/16-24 View cart “Rugged Suppressors R3 FLASH HIDER M18X1” has been added to your cart. 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 Sale! Dead Air Armament KEYMO FLASH HIDER M14X1LH $8900 $8472 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211 Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957 Gemtech THREAD PROTECTOR 1/2-28 RF $1800