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Offline Spokerider

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45 70
« on: March 12, 2013, 05:47:41 AM »
Wondering what diameter the TC 45 70 barrels are slugged at? Are they pretty much a standard .457? or does the bore diameter vary some, in these barrels?
 I have one coming but it's not here yet......... Wondering if the .457 cast boolits I have on hand will be too small.
 
Thanks.
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Offline Hopalong7

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Re: 45 70
« Reply #1 on: March 13, 2013, 02:16:07 AM »
    I've had 4 different TC factory barrels and shot .458 cast in all of them quite accurately.  Don't think you'd have a problem at .457.  Ah...the 45-70 Mild to Wild...Yooouur're gonna LOVE it!!! ;D
Walt
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Offline Spokerider

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Re: 45 70
« Reply #2 on: March 13, 2013, 05:05:32 AM »
Thanks for the reply.
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Offline Camp Cook

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Re: 45 70
« Reply #3 on: May 02, 2013, 04:18:28 AM »
I load .459" in mine
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Offline Iowa Fox

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Re: 45 70
« Reply #4 on: May 02, 2013, 08:26:14 AM »
In my 24" factory barrel I used to size to 459 and have gone to 460.
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Offline Hank08

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Re: 45 70
« Reply #5 on: May 03, 2013, 02:03:42 PM »
In my 12" I've got 1775 fps with the Hornady 300 jhp using 4227 and 1691 with 325 cast FNGC using 680.
In my 16 1/4" the 325 FNGC does 1994 using RE7 and the Rem factory 300 gr.JHP does 1789. so I'd say yes, you should be able to get 1500 with a 350.  H08
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Offline Hank08

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Re: 45 70
« Reply #6 on: May 03, 2013, 02:06:54 PM »
I must have got on the wrong 45/70 question, sorry. H08
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Offline Spokerider

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Re: 45 70
« Reply #7 on: May 04, 2013, 05:56:34 AM »
Thanks for the replies.
 
I slugged one of the 12" 45 70 barrels at .458 and the other at .459
 
I ended up getting a custom mold made for the throat of one of the barrels. It drops the boolits at .461, so sizing for either barrel won't be a problem.
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