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Author Topic: Stuck case  (Read 26010 times)

philw

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Re: Stuck case
« Reply #10 on: July 15, 2013, 10:22:44 AM »
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Magoo541

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Re: Stuck case
« Reply #11 on: July 15, 2013, 03:54:55 PM »
That would have worked Phil, if I had shot a 270 out of it but it was a 308 that I'm sure is bigger that that now...  :-\
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philw

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Re: Stuck case
« Reply #12 on: July 16, 2013, 06:32:03 AM »
Quote from: Magoo541 on July 15, 2013, 03:54:55 PM
That would have worked Phil, if I had shot a 270 out of it but it was a 308 that I'm sure is bigger that that now...  :-\

seeings it is now a case formed to the 270   you never know  it might work
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Here’s to the crazy ones. The misfits. The rebels. The troublemakers. The round pegs in the square holes. The ones who see things differently. They’re not fond of rules. And they have no respect for the status quo. You can praise them, disagree with them, quote them, disbelieve them, glorify or vilify them. The only thing you can’t do is ignore them

TAB

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Re: Stuck case
« Reply #13 on: July 16, 2013, 10:52:07 AM »
i would be very intrested  to know what it did to the barrel
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kmitch200

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Re: Stuck case
« Reply #14 on: July 16, 2013, 03:40:41 PM »
Quote from: TAB on July 16, 2013, 10:52:07 AM
i would be very intrested  to know what it did to the barrel

I'm kinda curious about that too...how did you get a .308 diameter bullet down a .277 tube?
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Re: Stuck case
« Reply #15 on: Today at 02:27:50 AM »
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Magoo541

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Re: Stuck case
« Reply #15 on: July 17, 2013, 09:18:49 AM »
Quote from: kmitch200 on July 16, 2013, 03:40:41 PM
I'm kinda curious about that too...how did you get a .308 diameter bullet down a .277 tube?

Very carefully  ;D

Actually copper and lead are pretty malleable so a .031" interference at ~2600 fps is surmountable but not impossible-as I unintentionally proved.  I'm not too worried about the barrel but I will do some investigation/measuring before I start working up loads for it AFTER I get the case out (note to self order the stuff already!).
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Solus

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Re: Stuck case
« Reply #16 on: July 17, 2013, 12:33:08 PM »
I'm not a machinist, so I wonder how a case neck holding a .308 bullet fit into a chamber made for a case neck holding a .277 bullet?

Are the tolerances wide enough for that .031 not to make a difference?
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TAB

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Re: Stuck case
« Reply #17 on: July 17, 2013, 01:04:39 PM »
The neck of a 270 is .308"  and the oal length is 3.340"  for the 308 the oal is 2.800"   so I can easliy see a bullet fitting into a chamber.
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Magoo541

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Re: Stuck case
« Reply #18 on: July 17, 2013, 02:39:02 PM »
Quote from: TAB on July 17, 2013, 01:04:39 PM
The neck of a 270 is .308"  and the oal length is 3.340"  for the 308 the oal is 2.800"   so I can easliy see a bullet fitting into a chamber.

Precisely.
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Solus

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Re: Stuck case
« Reply #19 on: July 17, 2013, 02:55:51 PM »
The neck diameter of a .308 is .3433.

Just like the neck of a .270 is larger than the bullet diameter, so it is with a .308.

That is why I asked...we are not talking .308 going into .308, but a .3433 going into a .308

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Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it, Almighty God! I know not what course others may take; but as for me, give me liberty or give me death!"
—Patrick Henry

"Good intentions will always be pleaded for every assumption of authority. It is hardly too strong to say that the Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern well, but they mean to govern. They promise to be good masters, but they mean to be masters."
— Daniel Webster
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