.308 through a .270 - oh my...

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I have to agree with some of the others. I would really clean that barrel. If that damaged the barrel the gun is junk to begin with. P.O.Ackley wrote about his tests similar to your little adventure. I also have run the wrong bullet down the tube on occasion, but as far as I remember, the bullet was the same diameter. It usually happens when you have more than one box of open ammo on the table. I now only leave one box at a time. If you shoot positive feed (Claw extractor like a Mauser) rifles and the cartridge is loose and short in the chamber, it will hold that round to the bolt and fire it.


Somebody said about shearing a steel rule. I had a handy 4" dial calipers for years that started out as a 6". Clipped it with a radic wheel.
 
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He made a mistake and luckily no one got hurt. He manned up and admitted it, knowing that we would catch some flak. He will learn by it and will probably double check his ammo next time. Sometimes even when being extra cautious we still mess up. Kind of like when I am having a bad day and my mind is in a fog, I avoid the reloading bench. We all make mistakes, some more than others. Like I said earlier we generally learn from them and don't make the same mistake twice.
 
He did, and he also did everyone a major assist in that awareness that we can do some really dumb things (I hate to count the number I have).

So, again Kudos to him for turning this into something for all of us to think about. If you think you can't do some really lame things you are in for a shock or in denial because you almost certainly have, and will for sure do at some point.

That said, the scary part is the 30 caliber through the 270 barrel.

As I said, I did some wrong rounds, one was the correct caliber, the other was sub caliber.

One item that should come form this is if you do shoot a too large a round then you should have it inspected and probably magnafluxed.

Sounds like the barrel is gone so maybe even a look by a gunsmith would confirm that and get a new barrel anyway.
 
Says a lot about the strength of the TC action. Mistakes happen. Just a good thing nobody got hurt. Welcome to the forum.
 
T/C Venture rifle recall

Interesting, all these postings and nobody has mentioned, the T/C Venture rifle has been recalled! (see recall sticky)
We were at a skeet shoot and guy chambered a 20 gauge shell in his 12 gauge. The 20 went into his barrel, pulled the trigger. Click. Racked a following 12gauge shell, kaboom.
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That's why they've been making 20-ga shells yellow for some time -- so you can easily tell them apart from red 12-ga shells. Also, Skeet rules prohibit having shells of two different gauges in your possession at the same time or having a gun capable of shooting two different gauges.

When I was a rookie Skeet competitor, I wondered what if I were to drop a 20-ga tube in just one barrel for shooting doubles. I'd have a light shooting 20-ga load for the first shot that would allow for a quick recovery and a killer 12-ga load for the second one. It seemed like a good idea at the time. The problem is, it's an ammo mix-up catastrophe just waiting to happen and that's why it's prohibited.
 
The incident says nothing about the strength of the action. If there were no extraction problems on the first shot I am guessing the primer was intact. One of the first signs of excess pressure is the primer welding to the F/P or blowing out the primer. It is usually pretty noticeable to the shooter if he blows a primer. Like a few others indicated, I would try de-fouling the barrel.
 
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The incident says nothing about the strength of the action. If there were no extraction problems on the first shot I am guessing the primer was intact. One of the first signs of excess pressure is the primer welding to the F/P or blowing out the primer. It is usually pretty noticeable to the shooter if he blows a primer. Like a few others indicated, I would try de-fouling the barrel. It is not like you were shooting steel core ammo.
 
Well it aint dead yet and while not good it wasn't really likely to go boom on you. Have your smith borescope it and look especially close at the throat. Maybe reboring it will fix your problem or more likely a new barrel but don't sweat it, you didn't get hurt and the last perfect man got nailed to a cross for our sins not his.

Anybody shoots long enough they will do stupid eventually. If they haven't done stupid they haven't shot much yet or they are lying. I have a 45 caliber hole in the carpet of my bedroom because of stupid. My brother didn't check to see he had fired all rounds and I didn't check him before I put the gun away. My fault not his. It happens
 
6.8-308Win..... Hmm...

Or would this wildcat be similar to the 6.8SPC?

And a 25-06Rem sounds funny when shot out of a 30-06Springfield:o
 
Old Grump said it well, and he's absolutely right that we all make mistakes. I've made more than just a couple with rifle and pistol. Just thinking about a couple of the worst of them, and the disasters that could have resulted, is painful to me even now. And no, I'm not sharing those stories with you. I'd like to just forget them, if I could.
 
Accidents happen, sometimes you survive sometimes you dont, you got lucky this go around, got to keep your mind on what your doing, especially with firearms and explosives.
 
We've all done dumb stuff .... "Stuff happens ..... just try to be sure it does not happen to you."

For some of us, me included, "again" can be added on the end of there.

The School of Hard Knocks is the best educator. It is certainly the most expensive.

Glad you are OK.
 
OK, been reading the replies. I enjoy 'em all, and I don't take offense to anything said. Just got back from the road, grabbed the bore light and looked inside the barrel. Lots of stuff that appears to be shavings? Going to give the barrel, etc a real good cleaning. I can't see any bulging on the outside of the barrel, and the cheap bore light, I don't think would show any bulging - unless it was extreme. I know my shooting around 30 rounds of .270 was DEFINITELY very poor judgement. Like I said, I have never heard or read of anyone doing this - so, ignorance on my part. Anyway, all the comments are taken well and appreciated. TC is closed on weekends, so I'll call them tomorrow. I talked to my gunsmith, and he said to bring it in and he'll check everything out. I just can't help but think I did some damage - couldn't hit paper at close range after the "incident".
I'll keep ya'll posted after the smith takes a look at it.
 
We all make mistakes

I do lots of shooting alone. Go to the range at times it is closed to the public, so it is convenient to use the chrony. Out in the grass lands shooting prairie rats. Deer hunting alone. I am always a little bit spooked of doing something that will hurt. Or worse.

Seems to have become an addiction to buy more varmint rifles of different calibers. 204 Ruger could easily get mistaken for 222 Rem. This thread has been a good eye opener. Thanks to Hossless for posting.
 
The .308 Winchester is a pretty high pressure cartridge around 50 000 Cup, now I can only speculate the pressure that developed when that .30 calliber bullet was forced down that .27 calliber barrel.
Must have been a heck of a strong action to withstand this twice, and then still be servicable eneough to fire at all, better yet to fire 30 more full pressure 270 cartridges.
To call it robust would be an understatement. :D
 
You learned a valuable lesson. Glad no one go hurt and thanks for posting. It just goes to show what could happen to any of us if we let our guard down.
 
Again with the "Extreme pressure". Where? I have forced open enough actions to know the signs of extreme pressure when I hear them. Where was the extreme pressure? Were there signs of bypass gas? If that episode damaged that barrel permanently without even knocking out a primer, then that barrel was junk to begin with.
 
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