Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID 9/16-24 View cart “Rugged Suppressors R3 FLASH HIDER 3/4X24” 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 SilencerCo O-RING BOOSTER PACK $900 Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351. Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715.