Since the last test of the MAG5-100, I received another mag from SF to see if this one will run without malfunction. WE ran the mag at the recent PD qual session with a NFA lower and found out the spring is just NOT strong enough to keep up with the rate of fire, and also the follower will tilt and the rounds will get stuck. with a half loaded MAG5-100, if you hit the magazine like you are dropping to a prone, the rounds inside of the magazine will tumble and become unusable. so far teh MAG5-60 has been flawless, but the MAG5-100 are just fun toy to have, not a hard use tool.
