Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L View cart “Gemtech THREAD PROTECTOR 1/2-28 RF” has been added to your cart. Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L$8500 $7561 Out of stock SKU: OA004 Category: Accessory-Silencer Accessories Product ID: 30576 Description Description M13.5X1 LH Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 $7495 $7135 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 90 DEG $17999 $16957