Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L$8500 Original price was: $8500.$7561Current price is: $7561. Out of stock SKU: OA004 Category: Accessory-Silencer Accessories Product ID: 30576 Description Description M13.5X1 LH Related products Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Dead Air Armament GHOST FIXED MOUNT M13.5X1LH $8900 Original price was: $8900.$7865Current price is: $7865. Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865.