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AR15.COM
3/20/2010 6:19:35 PM EDT
When I bought my 1991A1, I bought a few CMC Shooting Star mags and they have always been 100% reliable with everything I put in them. Last year, I was ordering something small from Midway and needed to buy something else to avoid the "minimum" charge. I noticed CMC powermags were on sale, so I ordered one, and threw it in my shooting my box. I headed out to the range today and decided to take the 1991 with me. I was letting someone else shoot my 45 while I was loading magazines and they complained the gun was jammed. The cartridge was stovepiped. I dropped the mag, which didn't want to fall free, and cleared the chamber. I gave her another mag with the same ammo and she shot it up just fine.

We cycled through the mags again, and again, the powermag stovepiped, and again the mag didn't want to fall free. The round at the top of the magazine was pushed forward slightly out of the mag, tying up the slide.

We shot the same lot of ammo through all the mags, the powermag was the only one that jammed. I finished up the day shooting that mag and had two more stovepipes with just 5 rounds left in it. I was alternating shooting my 357 revolver, so I'm pretty sure I wasn't limp wristing it either.

So is this a bad CMC powermag that's crapped out straight out of the box?
3/21/2010 10:24:11 AM EDT
[#1]
Give 'em a call. Everyone gets a subpar part that makes it out the door now and then. CMC is a good company, they'll get you squared away. If you dont want to do that, check the feedlips. Maybe they got boogered up from riding around in your shooting kit.
3/22/2010 12:53:07 PM EDT
[#2]
Man, I bought 3 of them and all three did the same thing you describe. They failed in my colt and springfield. Returning them tomorrow.