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Thread: Best Gas Checks for Sub/Supersonic use?

  1. 05-03-2020, 05:57 PM #1
    mattri
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    Best Gas Checks for Sub/Supersonic use?

    Running a 450 Bushmaster on a Savage platform with a 1:16 twist.

    Mold is an Accurate:

    http://www.accuratemolds.com/bullet_...=45-400S-D.png

    Goal is to have 2 loads, one sub and one supersonic, accuracy being key as always.

    What gas check would be best for this application?
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  2. 05-03-2020, 06:52 PM #2
    44magLeo
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    The one that goes on the bottom of the bullet.
    A bit of levity there. Ha Ha !!
    You may find that at the subsonic velocity you won't need the check. The only way to know is to try.
    I might just check them all.
    Leo
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  3. 05-03-2020, 07:46 PM #3
    JWFilips
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    PC coating only and no checks necessary!
    " Associate with men of good quality, if you esteem your own reputation: for it is better to be alone than in bad company. " George Washington
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  4. 05-03-2020, 07:46 PM #4
    mattri
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    Good point, don't think a gas check would be necessary at that low of a velocity but my mold is for a gc boolit, so will need one either way.
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  5. 05-03-2020, 08:02 PM #5
    44magLeo
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    As I said, maybe, maybe not. I have read that at subsonic levels a checked boolit can shoot fine with out.
    Try it and see. Leaving off the check if not needed savers a step and a bit of pocket change.
    Leo
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  6. 05-04-2020, 01:21 PM #6
    mattri
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    Good to know, just use a reg check for supersonic loads?
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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