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Thread: loads for .300 win mag

  1. #1
    Boolit Mold BIG BEAR's Avatar
    Join Date
    Apr 2007
    Location
    VANCOUVER ISLAND B.C.
    Posts
    23

    loads for .300 win mag

    Have been shooting 180gr.g c. ahead of H-4350 47 grains with great success in my .30-06. would like to try same 180s in my .300 mag. i would like to use the powders i have on hand , if possible, H-4350 and imr4831. have heard the HORROR stories about 4227 and shotgun powders. any help with loads using 4350 / 4831 would be great. thank you. BIG BEAR

  2. #2
    Moderator Emeritus


    Join Date
    Mar 2005
    Location
    SW Montana
    Posts
    12,479
    My only experiment with a long gone 300 win was 10 gr Unique and a Lee soup can. Accuracy was ok but not anywhere as good as it shot a 180 j word over 4831.
    [The Montana Gianni] Front sight and squeeze

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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