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Old 11-30-2018, 09:35 PM   #51
Cajun Blake
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Originally Posted by TXRM1280 View Post
Spent case is still in the gun. The bolt snapped and the casing is still lodged forward.
I bet the brass case head is welded to remaining bolt face and likely welded to the chamber.

Im pretty firm in my belief that it was an ammo issue ... weak primer pocket ?

The action did itís job as the rifle exploded at its weakest point ... stock and bolt body
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Old 12-01-2018, 09:41 AM   #52
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I'm with Blake.

I'm also pretty confident our firearms examiner would say something like..

When fired under normal circumstances, it did not perform correctly

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Old 12-01-2018, 11:16 AM   #53
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Iím reading and learning. Hereís a link to folks who consult in firearm and tool marks- not exactly what you want but itís related firearms.

My suggestion is to find a couple firms in Texas, call and ask for the owner and ask if he can suggest who best to speak to about a rifle failure.

https://afte.org/resources/expert-referral







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Old 12-01-2018, 09:50 PM   #54
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Originally Posted by Artos View Post
Any pics of the spent case...I would think an obstruction would show evidence in the bbl itself. This stuff spooks me.
My understanding was it was still lodged in the barrel

Quote:
Originally Posted by double bogey View Post
Looks like overpressure ammo, and/or case head separation. One way for it to happen is a bullet hanging in the rifling when the round is unloaded. Next round goes in and Kaboom. Usually a barrel obstruction in a centerfire splits the barrel.

My brother fired a .308 in his M700 .270. Didn't hurt the rifle at all. Had it inspected by a gunsmith, and x-rayed by a friend in the inspection biz.


Hope we get to find out what happened here. Glad he didn't get hurt.
How is this possible?
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Old 12-02-2018, 10:37 AM   #55
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Originally Posted by BTLowry View Post
My understanding was it was still lodged in the barrel



How is this possible?

Thats what I said when I read it

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Old 12-02-2018, 01:29 PM   #56
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Originally Posted by BTLowry View Post
My understanding was it was still lodged in the barrel



How is this possible?
My cousin put 1 of his 308. rounds through my 25-06 sendero. Gas blew out, loud as all get out, and put some powder in his eye. Had to have surgery to remove it.

Dad took the gun to his gunsmith, he said it was fine. Dad then sent it to Remington, and they said it was 100% good to go, as well. That was 20 yrs ago, and the gun still shoots sub moa, everyday, all day.
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Old 12-02-2018, 10:21 PM   #57
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Originally Posted by MadHatter View Post
My cousin put 1 of his 308. rounds through my 25-06 sendero. Gas blew out, loud as all get out, and put some powder in his eye. Had to have surgery to remove it.

Dad took the gun to his gunsmith, he said it was fine. Dad then sent it to Remington, and they said it was 100% good to go, as well. That was 20 yrs ago, and the gun still shoots sub moa, everyday, all day.
Learned something new
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Old 12-02-2018, 10:31 PM   #58
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A gun exploding scares me to death. I hop I never experience it.
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Old 12-03-2018, 08:26 AM   #59
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A gun exploding scares me to death. I hop I never experience it.
You and me both
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Old 12-03-2018, 10:07 AM   #60
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Quote:
Originally Posted by BTLowry View Post
My understanding was it was still lodged in the barrel



How is this possible?

I think it is because the M700 is one strong action. Like the 25-06 in the other post. That smaller bore you would really think would be an issue. I think bullets are softer than we think. I shoot a lot of cast in pistols, and a couple of thousandths over bore diameter is nothing, and is required. Of course, pistols don't work at near rifle pressures.
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Old 12-03-2018, 12:22 PM   #61
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Quote:
Originally Posted by BTLowry View Post
My understanding was it was still lodged in the barrel



How is this possible?
.270 Win chamber is larger than the.308 Win chamber but is has the same bolt face and case diameter. The bolt grabbed the round and allowed the firing pin to strike the primer. The round went off and the bullet was forced down the barrel. .308 is not that much larger than .270 so it would shave the copper off the outside of the projectile but not stop it from going down the barrel. Probably had a lot of copper shavings in the chamber.

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Old 12-03-2018, 02:39 PM   #62
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This needs to get back to the rifle and ammo manufacturer.
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Old 12-03-2018, 03:00 PM   #63
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tag for results of analysis!
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Old 12-03-2018, 03:33 PM   #64
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Originally Posted by muzzlebrake View Post
Looks to me like something of this sort might happen if there was already a round chambered and then another round was attempted to be chambered. The pointy thing on the end of the round might ding the primer of the chambered round and Ka-Boom. I think they may refer to this as operator error.
Some good uns' but I like this one best
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Old 12-03-2018, 03:59 PM   #65
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Biodynamic research San Antonio it won't be cheap to have them diagnose it they do research on equipment and stuff like that for lawsuits they that is the company the lawyers used for the Dale Earnhardt Sr death
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Old 12-03-2018, 05:39 PM   #66
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I can not imagine pulling the trigger and this happening on a high power rifle! Glad he is OK
Hopefully he can look at the fired case and see if it is the right cal. If he can get it out of the gun!

I think I would talk to a gunsmith and/or lawyer on this. I would want to know what happen for my piece of mind and to be sure it never happens again. If it is ammo related I would want them to replace gun at least.
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Old 12-03-2018, 06:27 PM   #67
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63,000 psi is a lot. Now imagine if it was over powdered, or improperly head spaced.
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Old 12-03-2018, 07:15 PM   #68
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Going to say it’s reloaded ammo that someone thought was factory. My a-bolt has had a lot of hot 7mag rounds and no issues.

Pistol powder or a double charge.

Last edited by texaspyro21; 12-03-2018 at 07:46 PM.
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Old 12-04-2018, 01:32 PM   #69
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had to look at pic again!
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Old 12-05-2018, 12:56 PM   #70
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wow
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Old 12-06-2018, 11:50 AM   #71
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A guy on my lease was telling me when he went to shoot his rifles before season this year one of his barrels was plugged with a dirt dauber nest. He was glad he looked down his barrel before hand.

Also seen this picture on Facebook yesterday.

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Old 12-06-2018, 12:26 PM   #72
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Holy crap! Glad he was ok! I think a trip to the bathroom would have been in order.
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Old 12-06-2018, 12:31 PM   #73
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Holy crap! Glad he was ok! I think a trip to the bathroom would have been in order.
Not me. My bowels would've evacuated then and there. More likely would be some scissors and a trip to the burn barrel

Keep checking in to see if a cause has been determined.
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Old 12-06-2018, 12:47 PM   #74
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I've seen It happen several times. Lots of different ways it can happen. I always check my barrel for carrots.
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Old 12-06-2018, 12:55 PM   #75
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I wonder if Elmer was from Arkansas ?
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Old 12-27-2018, 05:23 PM   #76
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Did your friend find out anything on this?
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Old 08-07-2019, 01:02 AM   #77
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Bringing this old thread back up, had same thing happen with a Ruger M77 25.06, I can tell you from a bad experience, a .308 will bolt up in a 25.06, makes one heck of a boom, got splinters out of my face for 6 months, to beat all it was a bull barrel target model and the .308 projectile exited the barrel. Two guns on same bench is a mistake I will never make again.
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Old 08-07-2019, 07:01 AM   #78
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had a Remington 700 25/06 few years back , bought some 20 year old custom factory ammo from a guy and fired a round and I could fell the preasure on my face luckly thr bolt held and no damage to me or the gun the primer pocket of the spent round was blowed out and burned up . sent the ammo ( all 9 boxes and the spent case to Remington for them to exam it . there findings were that the ammo had not been stored properly and that moisture had coroaded the primers , said that I was lucky it was a model 700 or the action would have failed and blew up . the gun was fine and still shot great. lesson learned store ammo in dry/cool space. Remington however did replace all boxes with new corelock ammo free of charge . didn't ask them to but it sure was nice of them.
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Old 08-07-2019, 07:28 AM   #79
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Quote:
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Did your friend find out anything on this?
Mismatched cartridge.
I'm a firearms examiner and consulted with him.
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Old 08-07-2019, 08:39 AM   #80
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Ammunition or barrel obstruction. The rifle looks like it actually performed as designed, the gas vented into the action, and the bolt stayed locked. Gas venting into the action will often split the stock on rifles. A guess would be ammunition, either a wrong caliber cartridge in the mix, or a dangerously high pressure load. Barrel obstructions most often split the barrel, or crack or split the front receiver ring, although too hard to tell with only a picture.
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Old 08-07-2019, 10:21 AM   #81
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Ammunition or barrel obstruction. The rifle looks like it actually performed as designed, the gas vented into the action, and the bolt stayed locked. Gas venting into the action will often split the stock on rifles. A guess would be ammunition, either a wrong caliber cartridge in the mix, or a dangerously high pressure load. Barrel obstructions most often split the barrel, or crack or split the front receiver ring, although too hard to tell with only a picture.
See post #79
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Old 08-07-2019, 10:25 AM   #82
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Originally Posted by Pistol View Post
Mismatched cartridge.
I'm a firearms examiner and consulted with him.
So wrong caliber ammo?
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Old 08-07-2019, 11:00 AM   #83
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Yikes, glad he's OK.
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Old 08-07-2019, 10:39 PM   #84
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Quote:
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Ammunition or barrel obstruction. The rifle looks like it actually performed as designed, the gas vented into the action, and the bolt stayed locked. Gas venting into the action will often split the stock on rifles. A guess would be ammunition, either a wrong caliber cartridge in the mix, or a dangerously high pressure load. Barrel obstructions most often split the barrel, or crack or split the front receiver ring, although too hard to tell with only a picture.
Good observations, Fred. Applying simple physics, gas pressure will always flow to the weakest area, a catastrophic failure will occur near the obstruction. (That's what we call this, a catastrophic failure).

In the case of a bore obstruction, the failure will be in the barrel where the obstruction occurs. The barrel is split, but when you examine the split itself, there will be a small area that points outward in a v and ^; that is usually (not always) where the obstruction was. Typically we see this in a ruptured barrel near the muzzle, as in shotguns that were jammed with mud during waterfowl hunting, or rifles that had a bore sight in the muzzle.

In a mismatched cartridge, many times the bullet will travel about 1/3 of the way down the barrel before becoming lodged (unless it's the right caliber). However, the gas pressure flows back to the cartridge case, which is not supported because it is the wrong size. The thin brass case will fail at the extractor groove, rupture the head off and the case body will swell, or fire form to the chamber. It will not come out of the gun easily. In a bolt action gun, the pressure will now cause the bolt to burst open, fracture the receiver and likely shatter any optics and stock. This is where the case head gets lost in the grass too.

As you can read in previous replies, it is a mistake many of us have made or know someone personally that has done it, and especially if you are shooting two different calibers at the same time.

I did it once early in my career. I fired a 7.62x39 cartridge in an Arma-Lite rifle chambered for 243. My mistake was because there was no visible caliber stamp, no magazine, and a flash hider obscured the diameter of the bore. I discovered the caliber when we pounded the bullet out and put a micrometer on it = 0.243. A call to Arma-Lite confirmed the gun was made in 243 and we finally found the caliber stamp hidden under the camo finish near the flash hider.

Cajun Blake nailed it.
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Old 08-07-2019, 11:16 PM   #85
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One of the guys on the lease took his uncle to the range to familiarize him with the rifle prior to coming down for a hunt. Had 2 M77s on the bench, a 7 Mag and a .270. My buddy took the .270 to the truck and left Uncle Roger alone. Well, he managed to put the .270 round in the 7 Mag and bang!! I credit the M77 -- blew the floorplate off, but no injury to Uncle Roger except the a** chewing he got. Gunsmith checked the rifle out and only thing needed was the mag follower, spring, and floorplate. Here's the cartridge case:

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Old 08-08-2019, 02:42 PM   #86
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Originally Posted by Lawhunter View Post
A gun exploding scares me to death. I hop I never experience it.
I have only had a rim failure in a 10-22 myself. Enough gas and powder escaped out of the action, and a hole in the rear of the receiver for cleaning from the chamber end, I can only imagine what it would be like to have a high powered rifle grenade a few inches from your face.

The failure in the 10 22 was from a dirty chamber that prevented the bolt from pushing the round all the way into the chamber. The 10 22 shouldn't allow the hammer to reach the firing pin in an out of battery condition. Mine couldn't have been more than .005 out (I tested with fired brass and feeler gauges in front of the bolt to confirm hammer strikes), but it was enough to let the rim rupture. I was doing a test to see how long I could run this gun until failure to feed or fire, or accuracy degraded. I was in the neighborhood of 1500 rounds when this occurred. I simply pushed the bullet from the barrel with a brass rod, cleaned the chamber and kept shooting. Accuracy never degraded, but I clean the chamber at least once a brick or so. The barrel doesn't have any appreciable leading. I discontinued the test due to desire to save my .22 stash during the Obama years.
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