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Thread: HS 6 for 300 Blackout?

  1. 04-13-2021, 11:04 AM #1
    Cosmic_Charlie
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    HS 6 for 300 Blackout?

    Got 8 lbs. of HS 6 and wondered if it would work in the 300 BO? Was thinking of a 10" pistol build.
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  2. 04-13-2021, 11:26 AM #2
    marek313
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    I think HS6 burns too fast for 300BO. Maybe in a bolt gun with super low loads but even then you would have so much free space in the case that i wouldnt trust it. I did use TrailBoss for light 300 loads but that fills case much better. You really need slower ball powder like H110 for 300BO.
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  3. 04-13-2021, 11:41 AM #3
    Cosmic_Charlie
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    Thanks marek - with the scarcity of propellant I was just hoping. I do have some 296 and also some 2400 but had intended those for other cartridges.
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  4. 04-13-2021, 12:20 PM #4
    popper
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    I've used cfe pistol in BO, about the same speed. 8 gr max. Don't see a problem.
    Whatever!
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  5. 04-13-2021, 01:31 PM #5
    marek313
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    Quote Originally Posted by popper View Post
    I've used cfe pistol in BO, about the same speed. 8 gr max. Don't see a problem.
    Was that for a single shot or AR platform? Did it cycle? I'm curious.
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  6. 04-13-2021, 04:15 PM #6
    Conditor22
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    700x is my go-to powder for heavy subs in the 300 BO. Much faster than HS-6
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  7. 04-17-2021, 08:40 PM #7
    popper
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    Ar pistol
    Whatever!
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  8. 04-19-2021, 12:16 AM #8
    Three44s
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    Magnum revolver with the 44mag topping the list. 240-265 gr lead at mid-range power! An extraordinary use!

    Three44s
    Quote Originally Posted by Bret4207

    “There is more to this than dumping lead in a hole.”
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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