Home / Accessory-Silencer Accessories / Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 You cannot add "Dead Air Armament KEYMO FLASH HIDER M14X1LH" to the cart because the product is out of stock. Gemtech PISTON GM9/MM9/TUNDRA 1/2-28$8000 Out of stock SKU: 12169 Category: Accessory-Silencer Accessories Product ID: 26741 Description Description For Tundra or Multimount LID Related products Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 Original price was: $10000.$8715Current price is: $8715.