Glock KCI Mags

I bought ten of them a few months ago. You might have to get rid of some of the overmolded plastic around the feed area. Also some of the followers didn't seem to spring back up fully like they were getting hung up.
I didn't alter them for range day to see how they would function and they all functioned great. I'll still probably get rif of the overmold and maybe sand the inside for the followers in the future, just to be sure.
 
Hmmm I bought a few 10/33 round KCI mags and they worked fine. One did not hold open the slide when empty but for 60% of the cost of a OEM Glock mag I was happy. If you compete I would see the need for OEM mags, but I would just buy 4 KCI mags then take the 3 that are up to standard. YMMV
 
Have had pretty decent luck with the Wolverine batch of KCI, a couple lock back fails but nothing mag specific and the last round is way tighter than the Glocks, like they are pinned at 9.5 instead of 10.5.
For the price I can't really saw they aren't worth it.
 
I find the KCI Mags a bit hit/miss but learned to correct them if they don't function properly. They have a couple of issues. One is when the plastic outside shell is baked onto the inner steel insert, there is all along the walls protruding plastic points that need to be sanded or filed off to make the inside wall as smooth as possible. This is where the spring gets caught and then the follower simply does not want to come up despite the spring load and rounds still present in the magazine. The second problem may sometimes be the spring that is sort of twisted around and no longer copies the rectangular shape of the magazine and again on an occasion gets stuck. Straighten the spring so it's all straight and uniform, lube slightly all the sides of the follower and you'll have properly functioning magazine for much less then the OEM.
 
Bought 4 Mags. All hold 10 rounds, and feed reliably. Cant ask for more than that at $15 a piece. Shot in a Glock 17 Gen 3 with no upgrades or work done to internals.
-Spo0nFED
 
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