ULTIMATE M150 Spring Type_3-9x40 Perfect for airsoft technicians and

Perfect for airsoft technicians and other professionals alike

These coupler clips are used to hold two magazines together for fast reloading

Fires at: 300fps

Suitable for WE's Compact M&P model

ULTIMATE M150 Spring Type_3-9x40 Perfect for airsoft technicians andHigh quality spring from ULTIMATE. These are double progressive springs which make sure the torque of the motor is used to its full extent, giving a higher rate of fire. This spring is chromium plated which minimizes the friction of the spring on the piston. Black in colour. Chromium plating also does not wear or chip leaving debris in the gearbox like paint treated springs. M150 produces approx 490fps, suitable for use in UK European games.