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What the heck happened here...???

 
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  #8  
Old 10-11-2012, 08:56 AM
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Join Date: Mar 2010
Location: Harris MN
Posts: 85
Re: What the heck happened here...???

Was there any unburned powder in the action or mag box like the bullet pushed into the shell? I had one do that and some powder spilled into the barrel in front of the bullet and it caused a pressure spike that expanded the primer pocket about three times the primer size and had a puff of black smoke around the bolt, I took it to a gunsmith and had it checked and it was his opinion that was what happened from seeing all of the powder inside the action.
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  #9  
Old 10-12-2012, 07:06 AM
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Join Date: May 2012
Location: N.D.
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Re: What the heck happened here...???

Quote:
Originally Posted by nheninge View Post
The barrel looks to be intact no bulge, no obstruction. An obstructed barrel would cause a very different explosion and would not explain why the base of the case blew out. It was a remington stock gun with factory remington ammo. The gun was shooting off the bench at a range and previous shots were fine and the round immediately preceding went bang with no hint of problems. Everything is going back to remington. I agree that the problem seems to be with this single round (wrong powder, spiked). I just wanted to see if anyone had an issue like this before or could at least tell me what exactly happened according to the laws of pressure.


On another note, I had the polymer tips falling off a box of winchester 7mm silvertips. Unexplained flyers were suddenly explained. Never shot factory ammo again. Likely never will again.
You are a lucky s.o.b.. I've only personally saeen this once with factory ammo and never with handloads. Back when I was in high-school I was at the local range and some poor guy was sighting in his 243 with fed. ammo. Next thing you know he's asking for help getting his action open. Same crap with blown open primer cup and brass damn near fused to the action. Never heard what happened afterward.

To get that kind of failure you'd have to be somewhere between 80 and 100 KPSI, roundabout anyway.
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  #10  
Old 10-12-2012, 07:23 AM
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Join Date: Jan 2012
Location: Hot Springs, South Dakota
Posts: 504
Re: What the heck happened here...???

Makes me wonder if the gun had previously been using handloads that were over pressure? Possibly, stressing the action to the almost breaking point.

So many possibilities.

I'm with bigngreen here. Get ahold of the manufacturer.
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  #11  
Old 10-12-2012, 07:59 AM
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Join Date: Jan 2009
Location: GSP, SC, USA
Posts: 610
Re: What the heck happened here...???

Glad no one was injured. Please KEEP us informed. One of us could be next???????
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  #12  
Old 10-12-2012, 12:53 PM
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Join Date: Mar 2012
Location: New germany, NS
Posts: 279
Re: What the heck happened here...???

first if there was no mistake on ammo contact the ammo manufacturer with the lot number and contact remington and contact your household insurance agent, Many years ago (94) I had a gp100 go boom in my hand, the cylender opend like a clam and the top of the frame resembled a camel. My insurance had me bring it to a smith for inspection then after that they replaced it for me then they went to the ammo manufacturer for their $ back.
Good luck
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  #13  
Old 10-14-2012, 08:50 AM
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Join Date: May 2012
Location: Frederick, MD
Posts: 23
Re: What the heck happened here...???

Have there been any indications of excessive headspace before this happened?
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  #14  
Old 10-16-2012, 04:10 AM
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Join Date: Oct 2008
Location: Bryan, Tx
Posts: 284
Re: What the heck happened here...???

Sorry took a while to post reply. Damn work getting in the way of a perfectly good hobby... No handloads ever through this gun and this gun was fairly new with maybe 100 rounds through it. I like the theory the bullet may have pushed back but no powder in the action. However after dissection of the action by blunt force trauma not likely to see any. Way over pressure for sure. Pistol powder in the case? All components going back to remington where likely replaced. Glad didn't need that round for self defense!
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