Cartridges are bending?

[georgeib]

Just go ahead and toss the Promags now. Save yourself grief in the future. Seriously.

[sevignyjoe]

See the problem is I live in ct and can only have ten rounds so I bought some 20 rounders pinned. I have some hex mags too.


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[sevignyjoe]

I have never had a problem with the pro mags until now


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[MistWolf]

Isn't about time for that crank MistWolf to come in and say "Install a Colt extractor spring".

Boy howdy, I swear that guy thinks extractor springs are the root of all AR malfunctions!

sevignyjoe, in all seriousness, replace your extractor spring with a Colt or Sprinco M4 extractor spring. Short answer- A weak spring lets the extractor lose its grip on the rim of the empty so ejection is weak. The loose empty blocks the new round from feeding correctly and the new round gets smashed into the feed ramps, bending and denting them. Meanwhile, the empty gets shoved out of the ejection port, leaving the hapless shooter frustrated and none the wiser as to what's going on.

[the AR-15 Junkie]

If you run out of ideas with no solution, try a heavier buffer.

[MistWolf]

If you run out of ideas with no solution, try a heavier buffer.

In this case, a heavier buffer is only a Band-Aid (TM). It'll slow the bleeding but not fix the problem.

[the AR-15 Junkie]

In this case, a heavier buffer is only a Band-Aid (TM). It'll slow the bleeding but not fix the problem.

Please enlighten us to what the problem is. Thanks,

[GH41]

Please enlighten us to what the problem is. Thanks,

I'll guess. DPMS, Andersen, Pro mags or ammunition none of it likes. If it were mine I would shoot up the reloads while practicing clearing malfunctions then go back to Winchester after throwing away the magazines.

[jackblack73]

He already said it's the extractor spring.

[MSW]

I used to have this with my Bushmaster 16” Dissi, which had a Bushie semi BCG & their stock spring and unnamed gun show mags. It seemed a mess of issues with the fired case not ejecting properly & the bolt itself rode over the next round in the mag. I wasn’t savvy on ARs and started reading on-line, trouble-shooting.

As I read here & elsewhere, I added a BCM BCG & Springco recoil spring, Colt factory mags & the malf disappeared.

I wish I could help more, but that rifle was my first AR & only time I had “banana bullets” as I called them.

Best of luck.