Silverback SRS Grip Bolt Knob

Silverback SRS Grip Bolt Knob CNC AL 6061 T6 with hard black anodized finish and stainless steel NBR80 Orings M8x1.25 thread. This bolt knob is threaded on both side, to extend or shorten the bolt handle. Suitable for Silverback Desert Tech SRS A1/ A2 Series Airsoft Guns Sniper Rifle