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Thread: Hornady subsonic projectiles and ammunition

  1. #1
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    Hornady subsonic projectiles and ammunition

    I had a notification of Hornadys new products this afternoon.
    They are doing 30-30, 450 bushmaster and 45/70 subsonic ammunition, and class it as suitable for deer sized game.
    And the 190gr 308 Sub-X projectile they have been using in 300 blackout ammunition will be available for reloading (though in the video they don't recommend using it in a 1:12 twist with a suppressor, unless you want your suppressor remodeled!).

    In the video they said the sub projectile doesn't slow much, and something like a mv of 1050 it would still be doing 8-900fps several hundred yards downrange? I need to consult Dr Google on that one!

    https://www.hornady.com/new-products/
    Last edited by Cigar; 02-12-2019 at 06:04 PM. Reason: Add link
    Moa Hunter likes this.

  2. #2
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    I wouldn’t mind giving them a go i the blackout. I haven’t seen any in the shops yet.

  3. #3
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    the subx stuff is pretty great

    thats great to hear they are offering the projectiles too, its been a long time coming
    Moa Hunter likes this.

  4. #4
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    Subs don't slow down much as they head downrange. That's true for pretty much all of them, not just the hornady's, unless they literally have the BC of a paper plate.

    The faster an object moves, the more air resistance it meets and at sub speeds, there's comparitively little.
    Moa Hunter likes this.

  5. #5
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    Yeah, I had a play with Strelok, assuming a BC of 0.2 subs would still doing 800fps at 350m, waaaaaay past the distance I'd be shooting subs at!

  6. #6
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    the drop starts becoming problematic at range
    very lead balloonie

  7. #7
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    And leupold created the cds :-)

  8. #8
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    Quote Originally Posted by Friwi View Post
    And leupold created the cds :-)
    Do they do a 10-turn zero stop version?

  9. #9
    Member Wingman's Avatar
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    Any info on recommended twist rate
    for those .30cal 190gr SubX bullets?

  10. #10
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    They stabilise in my 1 in 8 twist whisper.
    The 180 gr hornady round nose were stable and very accurate in my 1 in 10 at sub speed. Till I put my hand on some to try I can t say much more.

  11. #11
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    Quote Originally Posted by Wingman View Post
    Any info on recommended twist rate
    for those .30cal 190gr SubX bullets?
    In the video they reckoned 1:10 was okay and probably 1:11, but 1:12 try without a suppressor first.

  12. #12
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    I can only assume why they only sold the 190gr subx in 300blk as loaded ammo first.
    cant wait to get it to try in my 308

    Greater margins in the loaded and they needed to increase production of the projectiles. Use the higher margins to expand production and increase economies of scale.
    Tesla does the same with its cars. Takes deposits across the range. But for the first 6-12months they will only deliver the cars with the most options. Options have way higher margins than base model cars.

  13. #13
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    would like to try some 45/70 subs might save the hassle of reloading.

  14. #14
    Member Marty Henry's Avatar
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    If you shoot long range .22 using subs you already have a drop chart that will work with larger cals. Super high bc projectiles have no advantage over a round nosed lump of lead below the speed of sound.

 

 

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