| Posted: Tue Nov 17th, 2009 01:52 AM |
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jfinck
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what is the reason for different dia. bullets for the same caliber such as 45/70 .458 versus .459 bullets?
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| Posted: Tue Nov 17th, 2009 01:55 AM |
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jfinck
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sorry, found this site off one of the powder company websites
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| Posted: Tue Nov 17th, 2009 02:09 AM |
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OldStuffer
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Generally most cast versus jacketed guns have a cast bullet one thou larger in diameter, to improve seal as jacketed is fine AT barrel diameter, softer lead needs a bit of "squeese".
I know nothing personally about 45-70 but I would not be surprised to find a slight variance in barrel diameter, and you find the bullet(s) that shoot best in your rifle. If yours is "tight", .458 might work well, if it's "loose", gas cutting and "blow-by" will hurt accuracy, so go a more barrel-filling bullet diameter, .459.
If possible, slug your barrel to get an exact size and buy .001" larger cast bullets.
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| Posted: Tue Nov 17th, 2009 02:16 AM |
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jfinck
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thanks OldStuffer I appreciate the info
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| Posted: Tue Nov 17th, 2009 02:52 AM |
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fryboy
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hola amigo ! and welcome aboard ! +1 on what O S said except i have played with the 45-70 ( but she aint my umm love lolz ) one has to recall that that ol gurl has been made for nigh on a hundred and thirtysum years(but whose to quibble ? ) we do thrive on discussion tho so dont be shy about jumpin in there !
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| Posted: Tue Nov 17th, 2009 11:39 AM |
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swampshooter
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jfinck, welcome, if you have questions about reloading somebody can probably answer them on this web-site.
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| Posted: Tue Nov 17th, 2009 12:16 PM |
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Charley
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Rifles have been made in .45/70 since 1873. Early manufacturing processes often had only a casula knowledge of QC. Not unusual on Trapdoor Springfields for bores to run .459, .460 or so. Modern rifles are closer to the magic .457, but still vary somewhat. Cast bullets, which are popular in the .45/70 usually need to be slightly over bore diameter for best results. The .458/.459 difference depends on the rifle, and you get there by trial and error, mostly.
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| Posted: Tue Nov 17th, 2009 04:17 PM |
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Thecyberguy
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I don't know anything about 45/70, but welcome aboard. Lots of people here with lots of info to share.
Have a good 'un, Guy
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| Posted: Tue Nov 17th, 2009 05:55 PM |
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| Posted: Tue Nov 17th, 2009 08:17 PM |
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miestro_jerry
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Welcome to the forum,
In my Marlin 1895 in 45-70, I generally use a cast bullet that is .460, this engages the bullet well with the microgroove rifling.
Again welcome,
Jerry
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| Posted: Tue Nov 17th, 2009 09:36 PM |
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DesertMarine
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Welcome to the forum. Enjoy. I don't do 45-70 or cast bullets, so can't help on that one.
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DesertMarine
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| Posted: Wed Nov 18th, 2009 02:17 AM |
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Charley
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Sunday I loaded the first batch of .45/70 I've loaded in about 5 years! I've got one of H&R's replica M1873 carbines. Have to load smokeless, they sure don't do well with BP.
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| Posted: Wed Nov 18th, 2009 01:50 PM |
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7mmdrops-em
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Welcome jfinck, for the most part what Charley said. You will find the same in 45 colt with a listing of .452 to .456 and the avg of .454 is what most use in cast. I use .452 in jacketed with good success.
Have fun with working up your load for 45/70 and let us know how it goes because I intend to get one this winter.
Rod
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