Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON 9/16×24 View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” 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 Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 Original price was: $9400.$8606Current price is: $8606.