
Originally Posted by
Avenger29
Well, I was out shooting my new LMT 16 inch M4gery today, and I had a couple of hicups. One is that a couple of rounds did not seem to want to feed correctly on initial chambering, and the other is that I had a couple of light strikes on the primers that did not set them off.
Doesn't impress me as an ammo problem first. LMT isn't one of the usual suspects, either. Any "improvements" or mods to the gun? More info/diagnosis required here.

Originally Posted by
demigod
Black Hills remanufactured ammo has case lengths that are way out of spec on the LONG side! This may be contributing to your problem.

You typically don't hear of this causing problems though. I bought one box of this stuff years ago, and after seeing how far out of spec the cases were... I won't use it anymore. A few weeks ago I checked a buddy's recent production blue box, and it's still the same. I don't know the exact measurement, but it's well outside the max length on a case guage, and it varies.
Umpteen thousand rounds of reman downrange with nary a problem, with hundreds of thousands in a couple of training venues. Case length does seem to be a non-issue for most.
2012 National Zumba Endurance Champion
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