mistakenly fired 257 robts. in 270 win.

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General ap.hill 47

General ap.hill 47

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007.JPG 006.JPG mistakenly fired 257 robts. in 270 win. been reloading over forty years should have known better.
I was trying some different loads and obviously not paying attention, was lucky in more ways than one.
here are a couple of photos. notice primer backed out.
 
Glad you weren't hurt. I once did that, I fired a 270 out of a 7 Rem mag... And hit the rock I was aiming at about 50 yds away.

Crazy the way your case stretched out so much
 
CptnAwesome said:
Glad you weren't hurt. I once did that, I fired a 270 out of a 7 Rem mag... And hit the rock I was aiming at about 50 yds away.

Crazy the way your case stretched out so much
Click to expand...
Glad you weren't hurt. I found not one, but three .308s that were fired in either a .30-06 or .35 Whelen, at the range once:



:eek: And you think you were unobservant!

I fired a .22LR in a .17 Mach4 Savage bolt once-It squeezed down and out the barrel. I was test firing it after working on it, and grabbed .22's out of the testing ammo...:confused:
 
I suspect your primer backed out because pressure was too low for the cup to obturate. You see this often in light practice revolver loads, esp with rubber bullets. This was one case where you were in no danger. Putting a .257 bullet through a .277" bore should give very little pressure.

Mike

PS. Found a guy afield once with an impossible AR jam. I helped him out as well as I could (which was not much). Turns out he had a .22-250 case suck in the receiver.
 
When I was much younger, I went to buy a box of 7stw ammo from a very trusted lgs and both the guys behind the counter told me they were out of stw ammo (as it had been recently discontinued) but go ahead and "take this box of 7mm rm, it's basically the same thing".
A week or so later, I'm in a prairie dog town blasting at a varmint about 175 yds away, and for some stupid reason I'm not getting anywhere near the lil bugger! I ask my buddy to spot for me, and he says I'm hitting pretty low (no measurements). So I raise the cross hairs a couple of inches. Still low is the diagnosis. How low? "You're not even making it halfway out there!"......
We inspect the empty cases, and they look very similar to the picture entropy posted! Called it done, and finished shooting with the .303 brit (which was quite satisfying).
A couple of days later, I return to the shop with most of the ammunition and the few empties wanting to know what happened. "I don't know, we really can't answer that unless you bring the gun in!" Lesson learned: trust noone no matter how long you've known them. In hindsight, I shoulda listened to my gut about not shooting something not stamped for that gun. Thankfully no one was hurt, and the gun is just fine, I now handload for it, and I know exactly what I'm throwing downrange. Obviously I teach this lesson to all new shooters I come across now and hopefully they never forget it.
 
And you think you were unobservant!
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I saw two guys shooting a new Glock 22 and complaining loudly about jams, poor accuracy, and split cases. They darn near finished a 50 round box of 9mm before they realized it was the wrong ammo!
 
entropy said:
Glad you weren't hurt. I found not one, but three .308s that were fired in either a .30-06 or .35 Whelen, at the range once:



:eek: And you think you were unobservant!

I fired a .22LR in a .17 Mach4 Savage bolt once-It squeezed down and out the barrel. I was test firing it after working on it, and grabbed .22's out of the testing ammo...:confused:
Click to expand...
 
entropy said:
I'm guessing it was 7mm Mauser (7x57) ?
Click to expand...
7 rem Mag through an stw. The necks were blown out but looked dirty and, finely serrated? I honestly at the time was afraid I had a bad batch of brass and had sent the necks downrange with the bullets.
 
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