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Thread: .45-60 or .45-75

  1. #1
    Boolit Bub
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    Apr 2020
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    .45-60 or .45-75

    Hi, I'm new to this forum so I hope I am posting this question in the right place and it hasn't been asked before.

    I am interested in getting a Uberti Winchester 76 in either .45-60 or .45-75. I know that reloading .45-60 would be easier but I am happy to go to the extra effort/cost if the .45-75 offers any noticeable advantages in range or accuracy. So my question is does it? I would only be using it for target shooting, not hunting so that isn't a relevant factor for me. I am mainly just interested in the accuracy potential at range of one cartridge over the other.

  2. #2
    Boolit Master
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    Nov 2006
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    If using real black powder the .45/75 would be more powerful and prolly worth the extra effort, if you plan to use smokeless I'd go with the 45/60 as both rounds will have empty space in the case once charged, and pressure numbers won't allow anything in the bigger case for any extra power.

  3. #3
    Boolit Buddy


    hpbear101's Avatar
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    I just got one in 50-95 and loving it. I made my brass from Starline 50 Alaskan which would also work for 45-75. 50AK was $111/100 shipped from Brownells, 45-60 would be a little cheaper. If I were going to get another 76 I would get a shorter barreled 45-75 as the full 28" barreled rifle is a lot of weight to pack around. Whatever way you go you will enjoy it.

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    Tom

  4. #4
    Boolit Master
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    Quote Originally Posted by sfwh View Post
    Hi, I'm new to this forum so I hope I am posting this question in the right place and it hasn't been asked before.

    I am interested in getting a Uberti Winchester 76 in either .45-60 or .45-75. I know that reloading .45-60 would be easier but I am happy to go to the extra effort/cost if the .45-75 offers any noticeable advantages in range or accuracy. So my question is does it? I would only be using it for target shooting, not hunting so that isn't a relevant factor for me. I am mainly just interested in the accuracy potential at range of one cartridge over the other.
    Uberti has changed the specs since I bought mine (2014) at that point the 45/60 was a slow twist barrel and only suited to the lighter boolits - my 45/75 is a 20twist and will shoot anything up to a 500grain postell (gotta single load those) - the latest add says the 45/60 is 20"twist also - for blackpowder its the 45/75 hands down and they do really well with black. The 45/60 is probably the more sensible choice but who buys a '76 because they are bein sensible ????????

  5. #5
    Boolit Bub
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    Well .45-75 seems like a good option in that case. Has anyone ever noticed a difference in the functionality of the rifles in the different calibres in terms of the smoothness of the loading/cycling?

  6. #6
    Boolit Grand Master


    missionary5155's Avatar
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    Good afternoon
    We have two 45-60 rifles. One is an original and the other is Chapparel repro. Both function flawlessly with all the slugs we have tried.
    But be aware there may be hangups with a true WC style. We have used RNFP in 350 - 450 grains and generally shoot the 350 slug with 3F Goex.
    With the 45-75 case 15 grains makes a difference.
    "Come unto Me, all you who labor and are heavy burdened, and I will give you rest." Matthew 11:28
    Male Guanaco out in dry lakebed at 10,800 feet south of Arequipa.

  7. #7
    Boolit Buddy
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    Mt Chambers said it all, in the post above. For hunting the 45-75 has the edge, when both are loaded with Black Powder. The best brass to form 45-75 WCF from is 50-90 Sharps Straight. It has the right base dimension. Your cases won’t end up with the coke bottle look that you get from 348W or 50 Alaskan. A sensible person would go with the 45-60. Brass is cheap, just a little trim job.
    I shoot an original 1876, It was a 40-60 WCF 28” round barrel with a non existent rifling when I acquired it. Sent the barrel to Jim Dubiel of Clearwater Reboring. He bored and rifled it to .450-.457 1-20 twist. Then had it chambered to 45-75 WCF. Bought a Montana Vintage Arms,Midrange Soule Tang and a #115 Front Sight. It shoots incredible!
    Rick
    Last edited by Rick B; 04-26-2020 at 10:56 PM. Reason: Correcting auto Correct

  8. #8
    Boolit Grand Master

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    The 45=75 was touted as the most accurate of the Winchester rounds in the old days. But the 45-75 was not a long range target round because it shot a lighter bullet than the Sharps and you are limited on loading the gun as to over all length of cartridge because of the action. I will bet the 45-75 will have a small advantage with the bullets available and suitable for the gun but small.

    Add in the cost of brass dies and such and the 45-60 is looking better and better. I load 45-60 with 45-70 brass trimmed and 45-70 dies witht eh seater shortened.

  9. #9
    Boolit Buddy hockeynick39's Avatar
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    I have an original 1876 in 45-60. I use Trail Boss powder in it and get the same velocities as the original black powder loading. I use this mold: http://www.accuratemolds.com/bullet_...=46-305C-D.png, Starline 45-70 brass trimmed to 1.890", and use a Lee die set in 45-60 Win. Load work-up seemed to be very easy and straight forward. The most accurate load for mine is also the maximum load of TB. I would like to load and shoot a 45-75 Winchester someday. https://www.precisionreloading.com/c...l=LY&i=7460509, for the die set. Good luck and stay safe!

  10. #10
    Boolit Master
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    Uberti 45/75
    466 grain (modified Lyman Postell design) 72 grains FFg - 2 juice box wads = 1244 FPS ave - with 10FPS extreme spread

    Its a Grease boolit loaded kissing the lands - have to single load into the chamber - it shoots pretty darn nice.

    Winchester did a PP - 450 grain x 90 grain powder loading for these guns back in the day

    Only hitch is once you move the lever forward you are committed to firing that round or else using a small screwdriver to jimmy the extractor up over the case rim to clear the gun

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check