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  1. #1
    Tinhorn
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    45LC question re: extra heavy bullets using Unique

    i've gone thru every reloading manual and article i have on 45 Colt loads using Unique. i can find loads for bullets up to 300 gr, but can't find anything about using it with 360 gr lead bullets. maybe my info isn't recent enough to cover them.

    i use a dillon square deal, currently set up for loading 200-265 gr lead bullets on top 8.5 grains of unique, for my single action revolvers and marlin 1894S.

    i'd also like to use the machine to drop a 360 gr WFNGC on the same amount of unique for use in the lever ONLY .

    i know i could go thru the process of changing to a better powder, like H110, 296 or H4227, but i'm not looking to push any limits (i want to run under 30K CUP). i just want to enjoy using up a bunch of these heavy bullets as simply as possible. (fyi - measurements say the overall cartridge length to be well within limits)

    so my question: is a 360 gr hardcast and 8.5 gr Unique a workable load for the marlin

    and if you have an answer to that, maybe you would also know what would be the max Unique load to stay at 30K CUP?

    thnx ahead of time.
    "if it ain't a big bore, it ain't a gun"

  2. #2
    Gunfighter
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    Re: 45LC question re: extra heavy bullets using Unique

    On one of the reloading websites I see 10.0 grains of Unique behind a 300 gr jacketed for 970 fps. It's one of the Ruger, TC loads. Can't find any Unique loads higher than that. Just be safe.
    An old saying is "An eye for an eye and a tooth for a tooth." I believe in a head for an eye and a hand for a tooth. Keeps folks away from my eyes and teeth.

  3. #3
    Tinhorn
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    Re: 45LC question re: extra heavy bullets using Unique

    thnx kynardsj. i found much the same info for up to 300gr, but can't find anything about Unique with the much heavier bullet.
    "if it ain't a big bore, it ain't a gun"

  4. #4
    Gunfighter
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    Re: 45LC question re: extra heavy bullets using Unique

    Reloads.com shows 9.0 grains of unique behind a 340 gr cast for 880 fps in a 7 1/2 inch 45 LC Blackhawk. Just doing the numbers, somewhere between 8.0 and 8.5 grains of Unique might just do OK behind those 360's. It's my understanding that Marlin actions are stong so you might start on the low end and work up to where you want to get depending on pressure signs and accuracy. I'm a big fan of Unique and load it in 38's, 357's, 45 LC's and 500 S&W mags for plinking loads. Good luck and again, be safe.
    An old saying is "An eye for an eye and a tooth for a tooth." I believe in a head for an eye and a hand for a tooth. Keeps folks away from my eyes and teeth.

  5. #5
    Distinguished Master
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    Re: 45LC question re: extra heavy bullets using Unique

    A slower powder could put you in the same velocity range and have less pressure. Hodgdon shows a 360 gr. CPB-LFNGC with start loads at 1012 FPS running 20,200 CUP using 18.0gr.H-110, H 4227 starts at 20.0gr for 1004 FPS at 21,100 CUP and LilGun running 984 FPS using 15.5 gr at 22,400 CUP. DP
    TEAM 444 #187, Team 35 #7, Two Marlin 1894Cs, Remlin 1894C, 1894-44mag, 1952 Marlin 30-30, 1966 Texan 30-30. Glenfield 36G & two 30A's 30-30, 30-30 XLR, , five- 35rem. 1951 SC, 1952 SC, 1957, 1975 and 2008, 38-55 CB, M-375, 308 MX, 338MXLR, 444P, 444SS, , XS-7 22-250, XS-7 7mm-08 AI,

  6. #6
    Tinhorn
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    Re: 45LC question re: extra heavy bullets using Unique

    Depending on the nose length and profile, they may not feed or chamber. My LBT 350 won't chamber in my CB. I have some 300's that do. They are a truncated cone profile with two crimp grooves for long seating in wheelguns. I mostly shoot 200's or 250's now to conserve lead. Twist rate is another issue for the heavies. If the twist is 1 in 38 they probably won't stabilize. I have shot 480's out of a 45LC Handi Rifle at 1100 or so. They were stable at 30 yds. I haven't had the chance to try them at longer range. The are way to long for a Marlin.

  7. #7
    Tinhorn
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    Re: 45LC question re: extra heavy bullets using Unique

    great info guys what a fun forum. thnx!

    i'll take kynardsj suggestion and start at 8 grs and then we'll see if they feed, as nframe mentioned (480's?? OMG)

    FYI - i do have Fryxell's article where he stated having no problem stabilizing a 368 in the marlin with the slower type powders dpe.ahoy discussed.

    and that everything i can find says the marlin can take anything an OM vaquaro/blackhawk can take.

    anyone else can feel free to speak out too. no such things as too much (good) info.
    "if it ain't a big bore, it ain't a gun"

  8. #8
    Tenderfoot
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    Re: 45LC question re: extra heavy bullets using Unique

    I have been using Unique for 45's since *** and usually use 10 or 11 Gr in 250/255 gr LFN. only for my 45 rifles and Ruger Vaq. I have done some that I worked up with 300 Gr XTP's at 10.5 but that is really as high as safety and sanity will let me go. I think when you get over the 300 Gr bullet then it's into the 45/70 country.

  9. #9
    Tinhorn
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    Re: 45LC question re: extra heavy bullets using Unique

    Quote Originally Posted by wsmrto
    I have been using Unique for 45's since *** and usually use 10 or 11 Gr in 250/255 gr LFN. only for my 45 rifles and Ruger Vaq. I have done some that I worked up with 300 Gr XTP's at 10.5 but that is really as high as safety and sanity will let me go. I think when you get over the 300 Gr bullet then it's into the 45/70 country.
    makes good sense. i have a 45/70 marlin for "serious" work (430 WFP @ 1700fps), so i'm not interested in pushing limits with the 45LC, just in being able to fire these 360s using Unique at reasonable velocities.

    ====


    UPDATE: i just heard from John Taffin who suggested i give up my search and switch powders. when an authority like him says that, its good enough for me.


    thanks everyone.
    "if it ain't a big bore, it ain't a gun"

  10. #10
    Distinguished Master
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    Re: 45LC question re: extra heavy bullets using Unique

    A wise man listens to reason. Mr Taffin has forgotten more than most of us ever hope to learn on the pistol cartridges. DP
    TEAM 444 #187, Team 35 #7, Two Marlin 1894Cs, Remlin 1894C, 1894-44mag, 1952 Marlin 30-30, 1966 Texan 30-30. Glenfield 36G & two 30A's 30-30, 30-30 XLR, , five- 35rem. 1951 SC, 1952 SC, 1957, 1975 and 2008, 38-55 CB, M-375, 308 MX, 338MXLR, 444P, 444SS, , XS-7 22-250, XS-7 7mm-08 AI,


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