FPS SOFTAIR RESSORT 140M/S WELL MB01 (L96140) NOZZLE M9 and a polycarbonate piston with

and a polycarbonate piston with steel teeth for high-stress reliability

Material: Aircraft-grade aluminum

which protects trigger contacts and allows for programmable 3-round burst functionality

This Magwell MWG grip is removable and easily attaches to the magazine well of M4 airsoft replicas

FPS SOFTAIR RESSORT 140M/S WELL MB01 (L96140) NOZZLE M9 and a polycarbonate piston withWELL MB01 140 m s FPS Spring Characteristics The WELL MB01 140 m s FPS spring was calibrated on a stock sniper rifle. Naturally, a shorter or longer barrel will lead to a drop or increase in performance, and thus a tighter or looser calibration. The thickness due to the spring guide bearings was not taken into account during calibration. Therefore, under equal initial conditions, you should expect a performance increase of approximately 2. 5 m s for