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Thread: 450 Bushmaster 457124 and 457122 LV data needed

  1. #1
    Boolit Bub
    Join Date
    Jul 2019
    Posts
    43

    450 Bushmaster 457124 and 457122 LV data needed

    Looking to shoot sized down soft cast 457124 solid round nose and 457122HP through my 16" Ruger American 450BushMaster. Bullets are powder coated and sized at .4525, anyone have any data that will put me in the 12-1400 fps neck of the woods? I did the google search, but did not come up with much. Overall seated length for both bullets will have to be about 2.112 - 2.114 to ensure proper feeding from the magazine and I do wish them to feed from the magazine. At that length both bullets feed pretty good. Seated any longer and the bullets will not chamber anyway. Ruger sure gives plenty of unusable magazine length on these guns. Thanks for any and all suggestions.

  2. #2
    Boolit Bub
    Join Date
    Jul 2019
    Posts
    43
    Figured it out, thanks for all the help guys. Go to castboolits they said. Them guys will have the answers you seek they said.

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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