- S+ 303mm
- One piece chamber base & all component made by CNC
- Positioning HOP lever & HOP-UP clicks level increased to 35!!
- U-shaped adjustment ring design : make the HOP surface equally stressed, eliminating the problem of uneven force on the unilateral side of the original.
- Separated stopper part design : more convenient to adjust HOP bucking center.
- Bucking fully covered & foolproof design : easy to achieve 100% air-sealed.
- Uses the same as original - quick adjust bar of the outer barrel side, which can quickly adjust the HOP-UP.