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Long 5.56 NATO

Posted: 18 Jul 2013, 18:32
by DoubleJ
Just picked up 1000 once-fired 5.56 NATO brasses from a guy, and today I resized about 80 rounds of it. 29 of them need trimming already. Is this normal for what I'm guessing was M855 fired from military M4s, or is this not once-fired as stated?

Re: Long 5.56 NATO

Posted: 18 Jul 2013, 19:20
by MrSlippyFist
Could have been fired from a SAW.

Re: Long 5.56 NATO

Posted: 18 Jul 2013, 20:32
by DoubleJ
That thought crossed my mind too, hence the lack of staked primers, maybe belt fed doesn't need em?

Re: Long 5.56 NATO

Posted: 18 Jul 2013, 20:41
by MrSlippyFist
Could have been magazine fed into SAW.

Re: Long 5.56 NATO

Posted: 19 Jul 2013, 04:14
by DoubleJ
Didn't know SAWs could take a mag. Do they have sloppy chambers?

Re: Long 5.56 NATO

Posted: 19 Jul 2013, 04:22
by Mister Freeze
MrSlippyFist wrote:Could have been magazine fed into SAW.
...if you want it to jam. The cyclic rate, even after it was slowed down, is too fast for reliable mag feed. And now, back to your regularly scheduled thread...

Re: Long 5.56 NATO

Posted: 19 Jul 2013, 19:16
by MrSlippyFist
I didn't say it could be used effectively in a SAW or that I condone it. In fact, it's a speedy way to fark up a magazine.

Re: Long 5.56 NATO

Posted: 22 Jul 2013, 04:38
by DoubleJ
So would a SAW be the cause of this long brass, looser chamber for better feeding or something? Is NATO brass a nightmare to prime? I've actually managed to shear the rim off a couple cases with my hand primer, endd up having to prime the whole batch on my rock chucker.