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Thread: 45 2 3/10

  1. #1
    Boolit Mold
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    45 2 3/10

    Hi,I ran across a Pedersoli Sharps with this case size 45 2 3/10 ,does anyone know what this equates to 45-70,45-90 or what?Thanks

  2. #2
    Boolit Grand Master

    Wayne Smith's Avatar
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    45-70 is 2.1" so 2.3" is probably 45-90.
    Wayne the Shrink

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  3. #3
    Boolit Grand Master

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    My 45-90 is stamped 45 2.4 from Csharps arms. Im thinking 2.3 would be 45-85. This was the original way of designating cartridge on rifles caliber, case length, and bullet weight. Hence the 45-2.1 500 or 45 2.4 350 or 550

  4. #4
    Boolit Master
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    Nah!
    45-85 was/is still a 2.4" case but with less powder and a larger bullet.
    Winchester made a lot of those odd ones during their prime years.

    But jj500 why dont you contact Pedersoli???
    There is no such thing as a 2.3" .45 case so my bet is a mislabeled 2.4" ie a 45-90 chambered rifle.

  5. #5
    Boolit Master Bad Ass Wallace's Avatar
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    My Pedersoli 45/90 is 2.4" case
    Hold Still Varmint; while I plugs Yer!

  6. #6
    Boolit Mold
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    Hey Thanks to all,got the info back it is a 45-90

  7. #7
    Boolit Grand Master

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    You might want to make a chamber cast to verify the chamber is 2.4 long might save 2.4 length cases not chambering

  8. #8
    Boolit Master

    TCLouis's Avatar
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    Any chance it is a 45-60?
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  9. #9
    Boolit Master
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    Pedersoli never made a Sharps in 45-60!
    Only place that cartridge was used was in the Winchester 1876 repeater.

    See post #6 it is indeed a 45-90 2.4" ie 2 4/10" chambered rifle.

  10. #10
    Boolit Grand Master


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    The 45-60 case is a shortened 45-70 case length being around 1.89 inches. We have an original and a repro and they both will not chamber a 45-70 case but 1.9 inch cases will. But we trim them to 1.89 and happily launch 300-350 PB slugs at all sorts of targets.
    "Come unto Me, all you who labor and are heavy burdened, and I will give you rest." Matthew 11:28
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  11. #11
    Boolit Master

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    Maybe getting off the subject a bit but I have in the past "speculated" that a 45/60 case would be a neat smokeless round for shooting low pressure loadings. It would seem to me that the full(er) shorter case would be ideal for a lighter 45/70 class load when using smokeless vs the full size 45/70 case with air space and for folks wanting a loaded down BP load it would serve that purpose without resorting to using fillers, just my thinking on this and it's something I have discussed before but never got around to cutting back any 45/70 cases to try it. Then there is also the issue of shooting the shorter case in the 45/70 chamber but that's no different than shooting 45/70 in a 45-90 chamber which seems to work quite well even if there is a slight accuracy penalty, in doing this I have found any accuracy loss to be negligible for all but exacting target shooting. This is of course using jacketed bullets as I would have concerns about lead shaving with cast.
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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