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Old July 31, 2013, 07:53 AM   #1
salvadore
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uberti '73 copy. 45

I've been fighting this rifle for years now. I believe my problem is shallow rifling resulting in some skidding with my many diffrent lead bullets. I'm unable to find a jacketed cannelured bullet in my area to test this theory. Has anyone else had trouble getting decent accuracy from this rifle.
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Old July 31, 2013, 08:08 AM   #2
MJN77
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I had one in .44-40 that wouldn't shoot worth a darn. Went to a bigger diameter bullet and that cured it. Turned out to be a very accurate rifle.
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Old July 31, 2013, 08:46 AM   #3
Doc Hoy
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Sal....

Not in that rifle but in a Model 92 in .45 LC.

Was shooting a 255 RNFP from a Lee mold. Using about 14 Hardness. I was shooting both 35 and 28 grains and used GOEX, Pyrodex and 777.

Had REAL BAD leading. I went to a sizer that is .002 larger than what I purchased as a .45 LC sizer and I think I am past the problems.


I Shot the rounds in two revolvers sized with the smaller sizer without problems.
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Old July 31, 2013, 09:17 AM   #4
salvadore
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I have a Marble tang sight and a Smith enterprise ladder style sight that I go back and forth with making sure it's not the sighting system. Altho the Marble was really sloppy so I sent it backand got one that was just a little sloppy, but I think it goes back to a default position. I'm pretty sure I have tried every bullet diameter. I've tried lazer cast 250 gr flat point, I think they were sized .454, Lymans 454190, 454190 HP .454 diameter, a lyman GC SWC that had to be fed by hand and problably had a .451 diameter and the Lee 255gr and I don't remember the diameter. The only powders I've tried are Pyrodex R and Pyrodex select, Pyrodex Cartridge and 2400.
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Old July 31, 2013, 09:33 AM   #5
indy1919
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sorry mistake

Sorry mistake in posting
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Old August 8, 2013, 01:02 PM   #6
Thompsongunner
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Ours has shot fine with lee 200 & 255 sized to .452. Powders used were clays, HP 38 & unique. Iead used were clip on W.W. Have you slugged your bore?
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Old August 8, 2013, 03:52 PM   #7
salvadore
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thompsongunner, I slugged it some time ago, but as I remember couldn't get a reliable diameter. Does your '73 .45 colt have shallow rifling?
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Old August 8, 2013, 05:21 PM   #8
Thompsongunner
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I wouldnt say it was all that shallow. When I get home in two weeks I will check some recovered bullets and let you know the measurements l get so you can have a baseline.
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Old August 9, 2013, 05:01 AM   #9
salvadore
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Thank you.
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