VFC VF9 GBB M4 Magazine (Vmag - Green Gas) Pistons & Piston Heads 670mm (stock extended)

670mm (stock extended)

-The fiber optic dot has been moved up to the very top of the front sight

We recommend using the recoil stock in the 100-140 PSI for maximum recoil feel

Unaffected by extreme weather conditions

Input pressure(subject to change): 80-180psi

VFC VF9 GBB M4 Magazine (Vmag - Green Gas) Pistons & Piston Heads 670mm (stock extended)Light Weight Aluminium Tank with Polymer Shell. Gen 2 Design for better Air seal Fits all VFC M4 HK416 Platforms Hold 30rd BBs VFC have been producing HK416 and M4 GBBR series for a long time, but for the longest time people have been looking for a polymer look lightweight magazine for the Umarex VFC HK416 M4 GBB platform, now VFC have just introduced us the VMAG, which provides great gas efficiency, same magazine capacity as the real gun magazines