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Thread: Need 45/70 loads with Unique & 2400

  1. #1
    Boolit Master
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    Need 45/70 loads with Unique & 2400

    Looking for load data with 300gr. And 405gr. Boolits.
    My 4th addition Lyman shows nothing.
    Looking for about 1500fps out of my Marlin 1895.
    And of course looking for top accuracy.
    Want to knock steel rams down at 250yd.
    Thanks.
    Failure is not an Option

  2. #2
    Boolit Grand Master


    stubshaft's Avatar
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    You didn't mention what you are shooting, some of the loads will destroy a Trapdoor.
    Old enough to know better, young enough to do it anyway!

    Men who don't understand women fall into two categories: bachelors and husbands!

  3. #3
    Boolit Master Recycled bullet's Avatar
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    Lyman 50th does not list unique or 2400.

    Do you have any 3031/4227/4198/varget/rx7?? Under 1886 Winchester and 1895 Marlin it shows much data for these above 1500ft/sec with 292/330/400/405 grain cast bullets.

  4. #4
    Boolit Master
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    Quote Originally Posted by stubshaft View Post
    You didn't mention what you are shooting, some of the loads will destroy a Trapdoor.
    Middle of my post
    Marlin 1895
    Failure is not an Option

  5. #5
    Boolit Master
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    Quote Originally Posted by Recycled bullet View Post
    Lyman 50th does not list unique or 2400.

    Do you have any 3031/4227/4198/varget/rx7?? Under 1886 Winchester and 1895 Marlin it shows much data for these above 1500ft/sec with 292/330/400/405 grain cast bullets.
    Have 4198, but saving that for other applications.
    I have lots of Unique and 2400
    Failure is not an Option

  6. #6
    Boolit Master
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    I will look at my books but will not be able to get back to you until tomorrow. I use unique over the 405g lee.
    Stop being blinded by your own ignorance.

  7. #7
    Boolit Master Recycled bullet's Avatar
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    I have never done 45-70. However experimenting with 308/357/38/303 it seems to me 2400 is slightly faster than 4227.

    Maybe someone with a pressure estimation software can see if calculated safety to 1500 velocity is reasonable with 2400.

    I wonder why 2400 and unique are not listed in my book???

  8. #8
    Boolit Master
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    I think the older lyman 47th is supposed to have Data.
    Anyone here that can post a pic of the page or pm me the data?
    Failure is not an Option

  9. #9
    Boolit Master
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    My favorite load for my 1885 and 1886 Winchesters is 24.0 or 25.0 grains of 2400 using a Rem 405g JSP bullet. My 1885 High Wall is a true 1moa gun (five shots) at 100 yards with this load (not a “wallet group”, a repeatable group).

    Click image for larger version. 

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    Last edited by NSB; 03-07-2023 at 01:22 PM.

  10. #10
    Boolit Master
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    Holy Cow!
    I just found lyman Ideal Handbook #40 and Lyman 41st edition on my shelf.
    Failure is not an Option

  11. #11
    Boolit Grand Master FergusonTO35's Avatar
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    My Henry single shot really likes 12.8 grains Unique with an LP primer under a 300 grain boolit.
    Currently casting and loading: .32 Auto, .380 Auto, .38 Special, 9X19, .357 Magnum, .257 Roberts, 6.5 Creedmoor, .30 WCF, .308 WCF.

  12. #12
    Boolit Master

    pworley1's Avatar
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    The Lyman 44 has the data you are looking for.
    NRA Benefactor Member NRA Golden Eagle

  13. #13
    Boolit Master
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    Quote Originally Posted by hylander View Post
    Looking for load data with 300gr. And 405gr. Boolits.
    My 4th addition Lyman shows nothing.
    Looking for about 1500fps out of my Marlin 1895.
    And of course looking for top accuracy.
    Want to knock steel rams down at 250yd.
    Thanks.
    With my 45/60 I was using 10 / 12 grs of unique, with a 500 gr bullet, start low and work up...

  14. #14
    Boolit Master Skipper's Avatar
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    Quote Originally Posted by hylander View Post
    Looking for load data with 300gr. And 405gr. Boolits.
    My 4th addition Lyman shows nothing.
    Looking for about 1500fps out of my Marlin 1895.
    And of course looking for top accuracy.
    Want to knock steel rams down at 250yd.
    Thanks.
    Here's a ton of data for low velocity loads ( not just 45-70 )
    http://www.gmdr.com/lever/lowveldata.htm
    The strongest reason for the people to keep and bear arms is, as a last resort, to protect themselves against the tyranny of government.
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  15. #15
    Boolit Master
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    I use 10.5g-12g Unique for a low recoil shots over the 405g lee bullet. Honestly I use 10.5g more often as I am cheap and just need plinking loads. Should find a lighter mold as it will use less lead and kick less.
    Stop being blinded by your own ignorance.

  16. #16
    Boolit Master


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    I'll try to post pictures of the data from the Lyman number Three Cast Bullet Handbook. I don't think you can get to the velocities you want with Unique but probably can with 2400. The pick that doesn't show the bullet weight is 293 grains. I shoot 12 grains Unique with both a 405 grain and a 365 grain bullet for a nice mild load.
    Good Luck to you!
    Rick

  17. #17
    Boolit Buddy
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    Favorite loads of mine are 12 gr. Unique under a 300-350 grain boolit for 1100-1150fps. 400 grain boolits get 24gr of 2400 or 28gr of 5744 for about 1350fps. The 400 grain loads closely duplicate the the original BP velocity. You don't need 1500fps to knock over the rams, even the 300 grain at 1150 is reliable with a reasonable hit and much more pleasant with regards to recoil. I suspect the lawyers are responsible for the Unique/2400 being absent from the newer manuals, afraid of someone not paying attention and double charging a case. Seems today no one is responsible for their own actions.

  18. #18
    Boolit Master
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    You didn't specify cast or J bullets. Lyman 45th lists 300 gr j with 2400, 30 grs/1658, max 34gr/1870

    With 405 J 27 grs/1355, max 32 grs/1582

  19. #19
    Boolit Master
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    Today I tried 21 & 22gr. Of 2400
    Under 300pb and 405gc.
    Not to bad, but 1 flyer in each group
    Going to try the same loads again.
    Failure is not an Option

  20. #20
    Boolit Master Castaway's Avatar
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    Lyman 44th Edition link below has 292 grain cast and also 405 grain cast data using Unique

    http://marvinstuart.com/firearm/Manu...---%201967.pdf

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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