Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH View cart “Dead Air Armament SANDMAN 5.56 FRONT CAP” has been added to your cart. Sale! Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH$8000 Original price was: $8000.$7196Current price is: $7196. Only 2 left in stock Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH quantity Add to cart SKU: OP004 Category: Accessory-Silencer Accessories Product ID: 54267 Description Description 17-4 Stainless Steel Related products Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! Dead Air Armament XENO QD NOMAD MOUNT $13900 Original price was: $13900.$11895Current price is: $11895. Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135.