Impact .30 M4 open face magazine

Fx impact m4 30 cal open face magazine.

Works well with pellets and some slugs min 10mm

Clock spring design easy to add or take away tension by removing center screw and rotating spring on its perch

Easy to see remaining ammo easy to load finger slots to remove snap on cover. Affordably priced 

COMES IN TITANIUM OR BLACK MAKE NOTE WHEN ORDERING DEFAULT IS BLACK.