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Thread: Light .41 Magnum Loads

  1. #1
    Boolit Master
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    Light .41 Magnum Loads

    Has anyone tried a light load, say 6.0 grains of Bullseye with a 210 SWC bullet in the .41 Magnum....just wondering if it is a good plinking load. I plan to try some out but felt it wise to ask...

  2. #2
    Boolit Master in Heaven's Range

    AZ-Stew's Avatar
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    I've been shooting a .41 magnum at reduced velocity for over 30 years. I've never used Bullseye because I wanted a powder that came as near as possible to filling the case to the base of the seated boolit. Bullseye won't do it, neither will Unique. The best powder I've found for this cartridge is SR-7625. I use 6.7 grains with a 210-220 gr cast SWC, standard primer, for about 950 fps from my 6 inch Smith. When emptying the fired cases, most will simply fall out of the cylinder when the muzzle is tipped up.

    That said, if you've found your 6 grains of Bullseye load in a reputable, published manual, it should be safe. Your testing will tell if it's accurate.

    A word of caution: Don't try to drive jacketed bullets too slowly. One may stick in the bore. Firing the next round will cause a bulged or burst barrel. Cast boolits can be driven more slowly without sticking in the bore.

    Regards,

    Stew
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  3. #3
    Boolit Master
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    Thank you---I have been shooting mine since 1980...

    I have since found that I did try this load before and obtained 977 Avg MV with a 16.0 Std deviation..excellent for a revolver...however I bet the accuracy wasn't all that good. Will have to try it again. I used a Lee 200 SWC bullet that casts at 210 grains with WW metal.

    Glad to see another .41 Magnum fan..there aren't many us us...

  4. #4
    Boolit Buddy
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    6 gns W231 behind a Lyman 410459 works just fine. About 850fps.

  5. #5
    Boolit Bub
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    red dot

    I have a large amount of red dot powder.
    I wanted to shoot Icore steel plates with 210 grain loads.
    I found 5 grains of red dot worked well.
    41 magnum
    Icore Life Member
    NRA Benefactor member

  6. #6
    Boolit Master Rocky Raab's Avatar
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    pssssssst...

    http://www.reloadingroom.com/index_f...%20Special.htm

    (Don't use IE to view it, though.)
    Please visit my shooting articles at www.reloadingroom.com and my Vietnam novels at www.rockyraab.com (Do use Firefox, NOT Internet Exploder)

  7. #7
    Boolit Master
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    7 gr of Herco--7 gr 800x have been good to me and my .41s-- currently i own nothing but .41s
    800x is very bulky- but you can go and get decent mvs

  8. #8
    Boolit Master HORNET's Avatar
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    Wally, There's more .41 owners on here than you'd think. Boolit casters tend to be a little 'different' so the .41, being a cartridge that's a little 'different', has a natural call.....
    Rick
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  9. #9
    Boolit Master acemedic13's Avatar
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    I have a matched set of .41's. That round is what got me into reloading. They aint cheap new!!! There a lot of dead bears and antelope because of those guns. It is hands down, My favorite pistol cartridge.

  10. #10
    Boolit Master

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    I used 7 gr w231 under a 170 gr swc. shot pretty good in my contender with a super 14 bbl
    Have lead, Will cast

  11. #11
    Boolit Man
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    WELL!! And here I thought I was the maverick! Long ago, sold my 44 and went back to a 41 Mag and it does anything I need done. best, greg

  12. #12
    Boolit Master


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    I use a lot of Bulleye in light .41 magnum loads. I use 6 gr to be exact over the Lee TL410-210-SWC. They run 925 fps out of my 7 1/2" Ruger Bisley with very good accuracy considering the 6 cavity mould and little in the way of bullet selection other than a quick visual. I load them on my Dillon SDB.

    Larry Gibson

  13. #13
    Boolit Master
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    Larry,

    I tried that bullet with 7.0 grains of Bullseye--the Average velocity wa 1,100 FPS, but I obtained a high spread (109 FPS) and a 42 Std Deviation--it was not all that accurate either.

  14. #14
    Boolit Master Rocky Raab's Avatar
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    By way of only a slight digression, I firmly believe in "magic" velocities - bullet speeds that just seem to be highly accurate in whatever cartridge you fire. THE handgun accuracy speed is 900 fps.

    Look through your own load logs and note how many loads at or very near 900 fps and have a little "ACCURATE!" note over in the remarks column. I did. It's amazing.
    Please visit my shooting articles at www.reloadingroom.com and my Vietnam novels at www.rockyraab.com (Do use Firefox, NOT Internet Exploder)

  15. #15
    Boolit Man
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    I always liked 7-8 gr. of Unique with a 210 cast bullet. I'm going on very old memory here, so don't try that load without looking it up in a manual.

  16. #16
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    i use 5-6 grs titegroup.
    the 900 fps thing is because it's right under the turbulent stage of speed of sound.
    900 to bout 1050 fps is a very bad zone for accuracy.
    get the boolits over that and keep them there for their journey or keep them under it.
    it's all an educated guess,,,, till the trigger is pulled.

    the more i find out about shootin boolits, the more it contradicts everything i ever learned about shooting jaxketed.

  17. #17
    Boolit Master


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    Quote Originally Posted by Wally View Post
    Larry,

    I tried that bullet with 7.0 grains of Bullseye--the Average velocity wa 1,100 FPS, but I obtained a high spread (109 FPS) and a 42 Std Deviation--it was not all that accurate either.
    I never went above 6 gr with that Lee TL bullet. I cast them out of scrap range lead so they are only 8-10 BHN. I was looking for a plinking load that was accurate given the 6 cavity mould and SDB loading. 12 shots gave an ES of 42 fps with an SD of 11 FPS. Also I try to stay away from using SWCs between 1050 and 1150 fos because that is where it is tring to go transonnic. The buffetting the bullet gets most often results in not the best accuracy. Also the TL bullet cast soft doesn't like to be pushed much harder. Appears that 7 gr load of yours was a little much. Might be worth your while, if you want a plinking load, to drop back to 5.5 and 6 gr of Bullseye for a try.

    Larry Gibson

  18. #18
    Boolit Master
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    Larry,

    Thanks...all makes a lot of sense to me. The Lee TL bullets work well for me in other calibers. Using 8.0 W-231 I get 1,115 FPS average MV--with a Std Dev of 12.52, which is very good. I cast from pure WW metal & quench in a bucket of water, right from the mold.

  19. #19
    I'm A Honcho! Bear4570's Avatar
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    7.0 grains of Unique under the 200gr WC custom buy we did a ways back it a wonderfully accurate, mild target load out of both of my Smiths and Ruger Blackhawk. I use 7.5 Under my Keith 220 Grain bullet with pretty much the same results. Both are in 950 fps range.
    Big Bullets at moderate speeds...Makes things move

  20. #20
    Boolit Master


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    Quote Originally Posted by Wally View Post
    Larry,

    Thanks...all makes a lot of sense to me. The Lee TL bullets work well for me in other calibers. Using 8.0 W-231 I get 1,115 FPS average MV--with a Std Dev of 12.52, which is very good. I cast from pure WW metal & quench in a bucket of water, right from the mold.
    Wally

    I've just not used the Lee TL mould for magnum type loads as I use the RCBS 41-210-KT for those. I got the 6 hole Lee mould strictly to cast a lot of bullets fast for plinking and general fun type shooting. It does work great for that. Can't recall if I've even cast any bullets with it using any harder alloy. I have cast some Lee TLs410-175-SWCs (no longer available I believe) out of #2 alloy and shot them up through 1300 fps with complete satisfaction. Once I got the RCBS mould I strickly use it for the magnum .41 loads.

    Larry Gibson

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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