FPS SOFTAIR RESSORT 140M/S WELL MB03 (VSR140) 310MM ADVANCED THERMAL FORMULA: Unlike regular

ADVANCED THERMAL FORMULA: Unlike regular lubricants that thin out under heat

Weight: 190 g

AIR SEAL: Double O-ring design for maximum compression

Sandman-L: 240×Ø38 mm (unpackaged)

FPS SOFTAIR RESSORT 140M/S WELL MB03 (VSR140) 310MM ADVANCED THERMAL FORMULA: Unlike regularWELL MB03 140 m s FPS Spring Characteristics The WELL MB03 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