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Thread: Can anybody help with load data for 338 Spectre 300-gr. cast??

  1. #1
    Boolit Buddy
    Join Date
    Dec 2010
    Middle Tennessee

    Can anybody help with load data for 338 Spectre 300-gr. cast??

    Hey all - 338 Spectre is a great wildcat chambering that's not unlike the 300 Blackout, except it's .338 caliber, projectiles are up to 300 grains (and sometimes a bit more), and a lighter, smaller 9mm suppressor can be used instead of a .308 can.

    I recently bought an NOE mold that was a group buy overrun; it's 315 gr. with a meplat and 304 gr. with the HP pins in it. Trouble is I can't find anybody with load data for this thing, and it's a wildcat, so there's really nothing to consult.

    I know people come up with load data through software; any chance anybody might be able to help me out? I'm not sure how much work that would be, so please don't put yourself out!

    I am looking for a subsonic loading that still cycles the gun; I've used 296 with 300-gr. SMKs before and it functioned well.

    Sure appreciate any help you can give!

    All best!

  2. #2
    Boolit Master RU shooter's Avatar
    Join Date
    Nov 2006
    SW Pa.
    If 296 worked with the 300 gr smk I bet it do ok with the cast bullet you got too , may have to adjust your jacketed load slightly as the cast bulletins generally more slippery but it weighs a little more so maybe not ? Give it a shot
    If you find yourself in a fair fight, your tactics suck!

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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