Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON M16X1 RH You cannot add "Gemtech PISTON GM9/MM9/TUNDRA 1/2-28" to the cart because the product is out of stock. Sale! Rugged Suppressors OBSIDIAN PISTON M16X1 RH$8000 $7196 Out of stock SKU: OP005 Category: Accessory-Silencer Accessories Product ID: 30003 Description Description 17-4 Stainless Steel Related products Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 90 DEG $17999 $16957 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042