Since I've had some time to inspect and test out my recent purchases, I figured I'd give some feedback on the new 30rd USGI mags made by Center Industries.
Again, these are "new in wrap" magazines made in 3/10 w/ the manufacturer code of 6P119 bought right here on the EE-
First observation- the edges are a bit sharper than what I am used to on the well worn/well used USGI mags I've owned over the years, but like I mentioned above it is nothing a few swipes with a small piece of emery paper cant solve. The 6 welds on the back strap are nice and uniform, ditto for the 6 welds on the front. The back strap also has 3 "crimp" holes where it appears the internal fold had 3 holes and the external fold was crimped in to place over top. The front strap has 3 of these crimps as well.
Second observation- the finish is thick. Again, this could be because these mags are as new as it gets. However, when comparing mags of old against these with the naked eye it does appear as if the finish is indeed thicker. They still fall free from my Colt MT6700 with no issues, which leads me to #3-
Third: the mags fit tight in to the mag well of my Colt with little or no play. Needless to say they still fall free when the mag released is pressed.
Fourth: The "tan/orange" follower and new spring is obviously an improvement over both the green and black followers. I'm not going to debate the "if it isnt broke dont fix it" crowd, and the black and green followers probably worked just fine, but there is no doubt that the new followers narrow the gap to absolute perfection (no such thing, really). The true anti-tilt follower and the improved spring is impressive.
I will be keeping my eyes open for more deals on these mags. I'm impressed.