Home / Accessory-Silencer Accessories / Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 View cart “Dead Air Armament XENO MOUNT FLASH HIDER 1/2X28” 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! SilencerCo 3-LUG MUZZLE DEVICE 9MM 1/2X36 $8900 Original price was: $8900.$8211Current price is: $8211. Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Sale! Rugged Suppressors FLASH HIDER FRONT CAP 7.62 $10000 Original price was: $10000.$8715Current price is: $8715. Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715.