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Thread: N340 for 41 Mag Cowboy loads

  1. #1
    Boolit Mold
    Join Date
    Jun 2017
    Posts
    24

    N340 for 41 Mag Cowboy loads

    Vitvouri lists for .357, .44Sp, and .44 Mag, but nothing for .41 Mag.

    Anybody using it?

  2. #2
    Boolit Master
    Join Date
    Nov 2007
    Location
    Rochester, NH
    Posts
    1,210
    No, but if they are using it for Cowboy loads in all those it will be safe to shoot in a .41.

    Drop the starting .44 Magnum 240 grain load load 20% if you are using a 210 grain LSWC bullet...

  3. #3
    Boolit Master



    ddixie884's Avatar
    Join Date
    Jul 2005
    Location
    Avery, Texas
    Posts
    1,309
    Be sure and post your results. I'm interested in using it for .41spl.......
    JMHO-YMMV
    dd884
    gary@2texastrucks.com
    Gary D. Peek

  4. #4
    Boolit Bub
    Join Date
    Apr 2007
    Location
    Corpus Christi, TX
    Posts
    62
    N-330 has worked well for me in 45acp, 44spl, & 45 colt. It's a bit faster then N-340. Don't see why it wouldn't work well for mid range CB .41 loads.
    "Sometimes you make eight - sometimes you hit dirt!"

    Regards - GCF

  5. #5
    Boolit Master
    Join Date
    Feb 2015
    Location
    Central Iowa
    Posts
    1,427
    I've found N340 to be very similar to Unique grain for grain, but my shooting with direct comparisons has been limited to 38 Special and 300 Blackout. I'm sure a moderate load would work and should be easy to come up with.

  6. #6
    Moderator
    Texas by God's Avatar
    Join Date
    Mar 2016
    Location
    Texas
    Posts
    14,334
    If it helps, the case capacity of the .41 magnum is 34 grains of h20.
    Versus 33.5 grains of h20 for the .44 Special.
    A cowboy load in the .44 Special for a 240 gr bullet would be safe in a .41 magnum with a 210 gr bullet any day of the week.

    Sent from my SM-A716U using Tapatalk

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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