Guns Modify P-Mag MWS

Guns Modify Marui MWS M4 GBB EVO Magazine. 

35 Round Magazine Capacity. These magazines give a snappier bolt cycle and work better in horrible cold British weather. Please note this in turn will increase your fps slightly. Polymer outer case with a metal core making for a light yet incredibly rigid assembly.

-  Better cold weather performance 

- P-Mags are cool.