Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON 9/16×24 View cart “Gemtech ADAPTER MM9 FTM 1/2-28” has been added to your cart. Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24$8000 Original price was: $8000.$7196Current price is: $7196. Only 2 left in stock Rugged Suppressors OBSIDIAN PISTON 9/16x24 quantity Add to cart SKU: OP007 Category: Accessory-Silencer Accessories Product ID: 27644 Description Description 17-4 Stainless Steel Related products Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 Original price was: $10000.$8715Current price is: $8715.