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Thread: .45-70 patch size

  1. #41
    Boolit Master


    Join Date
    May 2010
    Posts
    2,108
    Quote Originally Posted by Nobade View Post
    If you're shooting PP with smokeless, the lack of throat in a 45-70 isn't really a problem but your techniques and bullets will be completely different than if you were shooting black powder. BTW if you haven't noticed yet, 45 Colt bullets are the perfect size to patch up and shoot in a 45-70 with smokeless. And a 250gr. bullet can be motivated to travel at quite a high speed with enough medium fast rifle powder behind it, makes a wicked varmint gun that way.
    Good idea on the Colt bullets. I have been sizing down some Lee 405 grain RNFP from a mould that drops at about .455” or so. I size down to .453” and patch up to .4595” or so.

    Then I pretty much load them out as far as I can and hope for the best. Should I be doing something other than this?

    I have some absolutely perfect cast Lyman Postell bullets that I’m waiting to wrap. These things are falling with about 1 grain variation. I have brand new Starline brass all primed up waiting and like I said I have 5744 for powder because I’ve Heard such good things about it.

    I’m thinking the only variable would be the powder charge and my poor shooting abilities. Well maybe finding the dead spot in the barrel to rest on.

  2. #42
    Boolit Grand Master Don McDowell's Avatar
    Join Date
    Jan 2008
    Location
    Hell Gap Wy
    Posts
    6,094
    Don't waste your time and those postels and the 5744 by sizing them down and trying to patch them. Shoot them lubed with a good lube.
    A better thing for patching would be a paper patch bullet from .444 to .446 diameter, wrapped and loaded over black powder.
    The 5744 will work alright for grease groove bullets.
    Long range rules, the rest drool.

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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