Brass vs. steel case torture test
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Old 01-11-2013, 12:03 AM   #1
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Default Brass vs. steel case torture test

Saw this very interesting test of 10,000 rounds each of Federal FMJ, Brown Bear, Wolf and Tula in four identical Bushmasters. Well executed test, quite detailed, a real torture test. Thought I'd make a post here for anyone who hasn't seen it yet.

Well worth the read.

http://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/

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Old 01-11-2013, 12:12 AM   #2
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Originally Posted by Quentin View Post
Saw this very interesting test of 10,000 rounds each of Federal FMJ, Brown Bear, Wolf and Tula in four identical Bushmasters. Well executed test, quite detailed, a real torture test. Thought I'd make a post here for anyone who hasn't seen it yet.

Well worth the read.

http://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/
too bad they didn't use DPMS rifles ... maybe they could have put that issue to rest as well
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Old 01-11-2013, 01:42 AM   #3
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It is a good read. I've seen it posted in several places. I sold ALL my Tula after reading it. (luckily, just recently, and at a tidy profit) But I did shoot some Tula and Wolf through my DPMS without issue. Granted it wasn't a lot.

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Old 01-11-2013, 01:47 AM   #4
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... serious accuracy issues were noted with two carbines ...
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... Barrel nuts were torqued to inconsistent values: two had been torqued to approximately 5 ft/lbs, while the other two had been torqued within the appropriate range of 30-80 ft/lbs...
No way two of four factory rifles should have such serious assembly issues. This is inexcusable and embarrassing for Bushmaster. I have to admit the rifles performed well after they were assembled properly. You'd think assemblers at Ilion would be trained better.
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Old 01-11-2013, 06:04 PM   #5
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No way two of four factory rifles should have such serious assembly issues. This is inexcusable and embarrassing for Bushmaster. I have to admit the rifles performed well after they were assembled properly. You'd think assemblers at Ilion would be trained better.
5lb torque on the barrel nut? Surprised it didn't just wiggle loose off the rifle as it was fired, or worse. I think from now on I will just build my own. DAMN!
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Old 01-14-2013, 03:51 AM   #6
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Thx for sharing that Q.

Awesome read. I just wish they could have tested out a FNC'd barrel too.

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Old 01-14-2013, 04:44 AM   #7
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That would be interesting but I wonder if it would have done any better than chrome lined. What was fortunate is that the BM/Tula problem got a CHF barrel in the test. And interesting that CHF didn't improve barrel life.

I'll continue firing steel case since I have a lot but there is a hidden expense especially if you love to do repeated mag dumps.

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Old 01-14-2013, 02:19 PM   #8
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That would be interesting but I wonder if it would have done any better than chrome lined. What was fortunate is that the BM/Tula problem got a CHF barrel in the test. And interesting that CHF didn't improve barrel life.

I'll continue firing steel case since I have a lot but there is a hidden expense especially if you love to do repeated mag dumps.
I am sure BILLT is going to say "I told ya'll so". I still think steel is acceptable if you are not competing. A lot of AR's will fire them without a hiccup.
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Old 01-14-2013, 02:31 PM   #9
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I am sure BILLT is going to say "I told ya'll so". I still think steel is acceptable if you are not competing. A lot of AR's will fire them without a hiccup.
True, true! And on a rifle that harder to rebarrel the extra barrel wear is something to consider when buying ammo. The AR's ease of replacement makes the decision easier.

ETA:

I.E. Using steel case in a Mini-14 - or even in an AK-74 (5.45x39).
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Old 01-14-2013, 02:37 PM   #10
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I'll continue to shoot Tula, but I think my stash will slowly be replaced by Federal American Eagle. Thanks for the post.

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