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Thread: Mp mold 45-270 saa favorite loads

  1. #1
    Boolit Mold
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    Mp mold 45-270 saa favorite loads

    Hi guys, just wondering if any on here has bought , used, or currently have the
    Mp mold 45-270 saa mold ? And if so what have you found to be your favorite load for this mold ? With as many as 4 different nose profiles and different weight per nose profile . I like to use the flat nose, and hexagon hollow point for my close encounters whitetail deer hunting here in Michigan. All the books and manuals I have do not cover the weight of these particular weights this mold drops out. Any of your help. Load data favorites will be helpful and appreciated.

  2. #2
    Boolit Master


    cwlongshot's Avatar
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    I have the RCBS 45-270 saa mold.

    Its a good one and liked by many for sure.

    Good luck with. Yours

    CW
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  3. #3
    Boolit Master
    winelover's Avatar
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    Do don't say what your shooing them out of. Makes a big difference. I'm loading for a BH and use Ruger only loads.

    My go to powder is 2400, others prefer Unique, in the SA clones.

    I'm using the same MP mold. No need to get concerned with the varying bullet weights. Just develop a load for the heavier solid, then tweak it. The lighter HP will be safe, with any safe load developed for the heavier solid.

    The most recent (4th) edition of Lyman's Cast Bullet Handbook has loads listed for the RCBS 270 SAA bullet. MP's is just a clone of that.

    BTW, any data for a jacketed bullet of similar weight and design is interchangeable for cast bullets.

    Winelover

  4. #4
    Boolit Buddy
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    I have used commercially cast RCBS 270 SAAs with 10.0 gr of Silhouette for about 925 fps, extremely accurate.

  5. #5
    Boolit Master hc18flyer's Avatar
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    I have the RCBS version and love it in my Blackhawk. Handloader Mag had a article specific to that bullet, covering the 3 different tiger's of loads. I think it was # 246, I will have to check? PM me your address and I can mail you a copy of the article.
    hc18flyer

  6. #6
    Boolit Master hc18flyer's Avatar
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    'tier's of loads. My last whitetail load was 17.5 grains of 2400, which was plenty under 50 or so yards, and easy to shoot accurately.
    What 'winelover' said pertaining to different versions.
    hc18flyer

  7. #7
    Boolit Mold
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    I’m shooting them out of a Ruger Blackhawk 45 long colt 4 5/8 barrel length

  8. #8
    Boolit Mold
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    What was primmers used and was was the case overall length set to ??
    Quote Originally Posted by black mamba View Post
    I have used commercially cast RCBS 270 SAAs with 10.0 gr of Silhouette for about 925 fps, extremely accurate.

  9. #9
    Boolit Master


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    Quote Originally Posted by Whitetailsniperkirk View Post
    What was primmers used and was was the case overall length set to ??
    This bullet has a nice crimp groove. Most cylinders SAA length fit it fine. Very good bet its seated to the designated length. (In that crimp groove)

    CW
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  10. #10
    Boolit Master

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    If ya want to see this boolit really shoot,load it with about 7 grs of red dot,,,,

  11. #11
    Boolit Buddy
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    Quote Originally Posted by Whitetailsniperkirk View Post
    What was primers used and what was the case overall length set to ??
    WLP primers @ 1.655" OAL with the 10.0 gr of Silhouette.

  12. #12
    Boolit Master
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    I posted, a long time back, a load recommended to me by John Linebaugh using that bullet in my New Vaquero and the LDP jumped on me with both feet.
    I believe they thought I were grapes and they were making wine.
    Last edited by 44MAG#1; 07-26-2021 at 07:37 PM.

  13. #13
    Boolit Master


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    Quote Originally Posted by 44MAG#1 View Post
    I post, a long time back, a load recommended to my by John Linebaugh using that bullet in my New Vaquero and the LDP jumped on me with both feet.
    I believe they thought I were grapes and they were making wine.
    Times change. I have been scolded on other boards years ago.

    I dont like to give exact recipes myself. Prople make mistakes all the time. Self included and NOT giving information that could possibly harm someone is seldom a poor choice.

    CW
    NRA Life member • REMEMBER, FREEDOM IS NOT FREE its being paid for in BLOOD.
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  14. #14
    Boolit Master
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    Quote Originally Posted by cwlongshot View Post
    Times change. I have been scolded on other boards years ago.

    I dont like to give exact recipes myself. Prople make mistakes all the time. Self included and NOT giving information that could possibly harm someone is seldom a poor choice.

    CW
    I noticed in this thread 4 load recommendations out of 13 posts.

  15. #15
    Boolit Master hc18flyer's Avatar
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    Quote Originally Posted by hc18flyer View Post
    'tier's of loads. My last whitetail load was 17.5 grains of 2400, which was plenty under 50 or so yards, and easy to shoot accurately.
    What 'winelover' said pertaining to different versions.
    hc18flyer
    OK, I better clarify. For a Tier II load using Alliant 2400 and the RCBS .45-270 SAA bullet, the Max load is 18 grains. My 17.5 load was accurate, burned cleanly, and shot comfortably in my large frame Blackhawk. For the range I expected, I didn't see the need to go higher. I like the HS-6 loads too. hc18flyer

  16. #16
    Boolit Master


    Walks's Avatar
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    I have rarely ever quoted a specific load. I usually quote the source that I got My loads from.
    Most of My heavy loads are safe in the guns that I HAVE SHOT THEM IN.
    Check your manuals or the various online load tables published by the various powder companies.
    I HATE auto-correct

    Happiness is a Warm GUN & more ammo to shoot in it.

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

    SASS #375 Life

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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