Features:
●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.
●Support all major brands TM specifications VSR.
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