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Posted: 1/2/2006 3:59:09 PM EDT
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Shot four rounds had four problems and had to quit shooting it. 2005 manufacture with NATO stamp on brass. |
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Sure did. I had a box of American Eagle 55 grain, a box of PMC 55 grain, a box of UMC 55 grain 1997 manufacture, a box of Remington/UMC 55 grain 2000 manufacture and a final box of Rem/UMC 55 grain 2005 manufacture. All those brands and loads were flawless in every mag I could use (USGI aluminum 20 and 30 rounders). I've even fired Winchester Q3131A in my gun- no problems. I saw this at a gun store and grabbed a box thinking- great mil spec 55 grain is back! 4 rounds, 4 problems. Stuck cases and feeding problems. 
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i've had no problems with ~400 rounds of the "new" Q3131, with 04 and 05 headstamps. rifles include a BM M4gery and a RECCE-ish thang with Denny's barrel + CMT upper atop a BM lower. also see Zhukov's poll here: ar15.com/forums/topic.html?b=3&f=16&t=259226 ar-jedi   |
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I did get a few boxes last week that had lots of different dates and stamping on the cases in the same box ( maybe 4 different stamps/years ) and some white residue on the cases. Haven't shot any of that yet, but have put several hundred rounds of other lots through my a1 clone and a4 clone with no problems at all. Howard |
I think 5.56 not sure The ammo does not run in my gun BUT it may in yours. 
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I'm not doubting your problems. I was involved in a training program for our department, newly created Patrol rifle Program which involved 5 tow-day classes. We shot up over 50,000 rounds of the new Q3131. All guns were new 16" Bushmasters. I was on the firing line the entire time. I am only aware of 5 bad rounds. Casemouth slightly crushed about 1/8th in causing the round to not fully seat. We would have 1-2 cases of ammunition out of the boxes and dumped back into the cardboard case at any time (easier for 15 students to load up), so I can not tell if all of the bad rounds came from the same box/case. But the problems all showed up in the same afternoon... Our initial purchase of 65,000 rounds does have the same lot#. Once again, I am not doubting you had problems, but I have to say that from what I personally observed, I have no problems with the Q3131 loading. Beat Trash |
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I just put 240 rounds down-range this afternoon, all '05 headstamp, lot WH03 purchased at Academy sports (last 12 boxes on the shelf) today, 1/7/06. All rounds fired normally, through a Bushmaster Modular Carbine. I did see a technical bulletin on the Armalite web site in their tech section advising against the use of WWB Q3131 in their weapons due to a very high number of failure (non-specific) reports... |
I think that stemmed from a specific lot of the older Q3131 not the new Q3131. |
correct -- there were some 1999 lots of Q3131 that were FUBAR'd. check the maryland AR15 shooters site for the specific lot numbers. ar-jedi |
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