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Thread: 45-70 supplies

  1. #21
    Boolit Master
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    This is the first thread I’ve read that mentioned a 45-70 actually holding 70 grains of BP.
    Everything I’ve read previously said less than 68 grains is the max in modern cases and thats with considerable compression.
    Bullet weight is not mentioned, maybe there using a lighter weight bullet less than 500 grs and seated out long, leaving room for more powder.

  2. #22
    Boolit Buddy tmanbuckhunter's Avatar
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    Quote Originally Posted by greenjoytj View Post
    This is the first thread I’ve read that mentioned a 45-70 actually holding 70 grains of BP.
    Everything I’ve read previously said less than 68 grains is the max in modern cases and thats with considerable compression.
    Bullet weight is not mentioned, maybe there using a lighter weight bullet less than 500 grs and seated out long, leaving room for more powder.
    70grs will fit in a modern case, but you are right, it does require significant compression. I have loaded 70grs but accuracy was dismal. I find optimal performance with remington brass in the 63-65gr neighborhood, with the cases vibrated, or the powder run thru a drop tube.

  3. #23
    Boolit Master
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    Quote Originally Posted by greenjoytj View Post
    This is the first thread I’ve read that mentioned a 45-70 actually holding 70 grains of BP.
    Everything I’ve read previously said less than 68 grains is the max in modern cases and thats with considerable compression.
    Bullet weight is not mentioned, maybe there using a lighter weight bullet less than 500 grs and seated out long, leaving room for more powder.
    It also depends on the bullet design. In my Shiloh I use 74 gr with a 530 grain bullet. The first three bands on the bullet are bore diameter so this gives a lot more room for powder.

    Chris.

  4. #24
    Boolit Buddy ELFEGO BACA's Avatar
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    Click image for larger version. 

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    Don’t forget spare rifle parts such as: 3 legged transfer bar, firing pin, lever spring,...
    My last match required 35 shots.
    I chambered 43 cartridges and got 8 misfires.
    At home I found that my transfer bar was damaged from too much shooting?
    I had a spare.
    Last edited by ELFEGO BACA; 07-16-2020 at 07:15 PM.
    Can our government survive the next 4 years?

  5. #25
    Boolit Buddy
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    The first .45-70 I acquired is a trapdoor. I bought Spence Wolf's book and his five piece die set made with lee components. Decapper/full length sizer, expander, compression, seating, crimp. They have worked fine for my other two .45-70s. I must say I've deviated somewhat from Spence's recipes.

  6. #26
    Boolit Grand Master In Remembrance
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    Regards
    John

  7. #27
    Boolit Mold
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    Doesn't anybody use a drop tube anymore?
    If that, what does not kills us, makes us stronger, why ain't I superman?

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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