Home / Accessory-Silencer Accessories / Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 View cart “Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG” has been added to your cart. 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! Rugged Suppressors R3 FLASH HIDER 5/8X24 SCAR 17L $10000 Original price was: $10000.$8715Current price is: $8715. Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Gemtech ADAPTER MM9 5/8-24 300BLK $7500 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715.