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Thread: .45 Colt with a .45-70 rim

  1. #1

    .45 Colt with a .45-70 rim

    I have a antique carbine with a camber that measure out to be about a 45 colt. To extract the rim needs to be about a .45-70. barrel slugs out to .465/.463.

    Cut down .45-70 does not fit. To large at the base

    Thoughts and ideas

    Thanks in advance

  2. #2
    Boolit Master
    Join Date
    Apr 2016
    It’s gonna be some awfully thin brass if the chamber is .480 and the barrel is .465. Have you cast the chamber?

  3. #3
    Boolit Master Walks's Avatar
    Join Date
    Jun 2016
    Could it be for that .45COLT ammo that was loaded for the COLT 1909. I seem to remember reading something about the rims being made wider because the standard cartridge rims would slip off the extractor, jamming up the revolver.
    Happiness is a Warm GUN & more ammo to shoot in it.

    My Experience and My Opinion, are just that, Mine.

  4. #4
    Boolit Master Pavogrande's Avatar
    Join Date
    Oct 2007
    Dacula Ga formerly san josie calif
    spencer or maynard ??

  5. #5
    Its actually a Sharps and Hankins. The .45 fits nicely. The rim is big enough to head space correctly. But not extract.

    I have tried and fail to cast the chamber. It wont release. So I have gently heated the barrel and poured out the camber casting metal. I need to attempt again and just cast the chamber (no lead or rifling)

    If I cant get a soft lead bullet to bump up when shot, I thought I would have to go to a heeled bullet

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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