My shooting buddy and I are both lusting after the Shield but when we tried one we were very disappointed in the very stiff mags. We were lucky to get 5 or 6 rounds into the things by hand (or thumb). I still want the gun but am concerned about the mags. Some say they will loosen up if left full (assuming you can fill one) for "some time". Others take to Dremeling the follower. I might do the first, but if it takes the second approach I am less impressed by the engineering behind this critical component. What say those of you who have used the mags for a while?
The perfect fix for this is to get a MagGuts kit for each of your Shield magazines at magguts.com. The kit uses a double capture spring setup and a redesigned follower to make room for about 1.25 more rounds in the magazine. It does this and still retains the factory specs for follower spring pressure. The end result is you can carry an extra round in your magazine (8 rounds instead of 7 in the standard magazine and 9 instead of 8 in the extended magazine!). The extra bonus that makes these kits worth their weight in gold is that since the kit makes MORE than 1 round of room in the magazine, it is far easier to insert all of the rounds, and it is FAR, FAR easier to insert a topped off magazine in the gun with a round already in the pipe! I've run more than a thousand rounds through my Shield 9 with the new MagGuts kits without so much as a hiccup!