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Thread: Unique for subsonic 450 Bushmaster loads?

  1. 05-17-2020, 06:26 PM #1
    mattri
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    Unique for subsonic 450 Bushmaster loads?

    Looking to work up some subsonic loads for a 400gr cast boolit in a bolt action 450 Busmaster using Unique- anyone have any experience with this?
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  2. 05-17-2020, 06:40 PM #2
    klenke.ryan
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    Not unique, but with Shooters World Blackout and 500 grain bullets. I'm getting good cycling and accuracy.

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  3. 05-17-2020, 06:45 PM #3
    klenke.ryan
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    Quote Originally Posted by mattri View Post
    Looking to work up some subsonic loads for a 400gr cast boolit in a bolt action 450 Busmaster using Unique- anyone have any experience with this?
    Sorry, I reread your post and saw bolt action. I don't have the info you're looking for.

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  4. 05-18-2020, 06:55 AM #4
    lar45
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    11 grains of Unique with a 405 gets 1089fps from the 18 5/8" barrel of my Ruger AR.
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  5. 05-18-2020, 08:33 AM #5
    mattri
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    Good to know thanks!
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  6. 05-24-2020, 09:27 PM #6
    mattri
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    Tried a handful of 4oogr cast boolits over 10gr of Unique today.

    Was just shooting off the back of the truck at 50 yards but accuracy was good, just under an inch and velocity was around 960fps and stable.

    Very mild report pleasant to shoot and more energy at 150-200 yards than a 45acp or 10mm at the muzzle.

    lar45 what mould is that?
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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