Silverback SRS Carbon Bolt Knob
CNC AL 6061 T6 with hard black anodized finish and stainless steel
NBR80 Orings
M8x1.25 thread.
The carbon knob is an easy install knob that makes operating the action of the rifle easy
Suitable for Silverback Desert Tech SRS A1/ A2 Series Airsoft Guns Sniper Rifle