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Thread: MP 45-270 HP Ohaus mold

  1. #1
    Boolit Master Gtrubicon's Avatar
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    MP 45-270 HP Ohaus mold

    Hello all, I've been looking at This MP mold. It's the 45-270 Ohaus. It casts 250g hp or 270 g solid. I'm not inquiring the quality as I own another MP mold and am very happy with it. What I'm looking for is first hand experience with this bullet. It will be used in 45 colt pistol and rifle and 454 casull pistol and rifle. What do you guys think of it? Good or bad, thank you

  2. #2
    Boolit Grand Master OS OK's Avatar
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    I looked all over and can't find a thing Sam. Just this thread. Guess you'll be the first to buy it and try it.
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  3. #3
    Boolit Master Gtrubicon's Avatar
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    I did get an email back from Mihec, he informed me that this would not be a good choice for 45 colt.

  4. #4
    Boolit Buddy
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    That is the old Ohaus design for the .45 Auto Rim. Very accurate, but generally too long for the .45 Colt if loaded in standard length cases.

  5. #5
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    ................ I don't have, nor have I seen the original Ohaus design. However I do have the RCBS mould, and have loaded it for a Rossi M92 , and a Winchester (Miroku) M92 leverguns. You have to roll crimp over the shoulder in order to allow them to feed through the action. I reduced my initial starting loads by 5% to start with the reduced case capacity for the deep seated slug.

    You can also shorten the case and roll crimp into the crimp groove. I had quite a few R-P nickle plated cases I'd bought for a old model Stainless Ruger Vaquero and after experiencing an inordinate amount of split cases (from the mouth to half way down the case in some instances) I pulled them from use. These are the ones I used for shortening. Happily my case trimmer is motorized BTW, after shortening them I have had only a couple that I had to toss, and these were because of small cracks at the casemouth. However it is nowhere near the number I had with the full length cases and the issue seems to have stopped. Off topic but I have now developed a distaste for nickle plated cases.

    ................Buckshot
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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