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Author Topic: Subsonic slugs  (Read 3019 times)

RMc

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Subsonic slugs
« on: December 01, 2017, 03:40:18 pm »
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    coelacanth

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    Re: Subsonic slugs
    « Reply #1 on: December 02, 2017, 12:58:20 am »
    Interesting article.  I'm not currently set up to load shotgun ammo but I would definitely try some subsonic stuff.   :thumbup1
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    RMc

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    Re: Subsonic slugs
    « Reply #2 on: December 02, 2017, 10:35:30 am »
    This is one of those specialty load areas that can assembled with very little equipment.

    Such as:

    A roll crimper that fits your electric drill or drill press. 
    A set of Lee powder dippers
    Some new primed Cheddite or other straight wall 12 gauge hulls.
    Some "Thug" slugs 
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    coelacanth

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    Re: Subsonic slugs
    « Reply #3 on: December 02, 2017, 11:31:10 am »
    Agreed but I'm a** deep in things that need doing right now.  Loading my own ammunition is going to happen again at some point but right now my stuff is all in storage.  When it gets set up again I will be adding a shot shell set up to the existing equipment and then it will be time to play around with subsonic loads - unless I can find some factory made stuff in the interim. 

    I'm thinking you might also be able to make some fairly uncomplicated subsonic loads using either Trail Boss or even Blackhorn 209.   :hmm
    Arizona" A republic, if you can keep it."

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    RMc

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    Re: Subsonic slugs
    « Reply #4 on: December 02, 2017, 01:52:35 pm »
    ...unless I can find some factory made stuff in the interim. 

    I'm thinking you might also be able to make some fairly uncomplicated subsonic loads using either Trail Boss or even Blackhorn 209.   :hmm

    The only source for factory loaded subsonic shotgun slugs, I am aware of, is:

    https://detroitammoco.com/product/subsonic-12-gauge-2-12-1-18-oz-slug-box-of-5/
    ------------------
    Trail Boss is an extremely "fluffy" fast burning smokeless that does not work well under compression.
    ------------------------------------

    Blackhorn 209 is essentially a bulk smokeless powder* so it would work abeit at greater expense than other pressure tested dense smokeless powder* options.

    -------------------------------------

    *Thes terms are somewhat obsolescent but properly describe the difference in suitable powder types.
    « Last Edit: December 02, 2017, 03:52:47 pm by RMc »
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    coelacanth

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    Re: Subsonic slugs
    « Reply #5 on: December 02, 2017, 03:45:00 pm »
    I was thinking of Trail Boss as a powder friendly to the dipper method of dispensing it and using it with cardboard and fiber type wads.  I understand that it does not like to be compressed as breaking the individual granules causes erratic pressure spikes.   Blackhorn 209 has worked pretty well in a buddy's inline igniton muzzle loader and he thought about trying some shotgun loads with it so I got interested in it for that use as well.   He also uses Trail Boss in some old straight walled cases like 38-55 and .32 Winchester Special so I've seen it in actual loads in actual rifles I have handled at the range.

    Back during the great reloading component shortage he was able to find Blackhorn 209 and Trail Boss when there was little else on the shelves so he used what was available.   :shrug   

    And for the record I find your powder descriptions spot on.   :thumbup1
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    GeorgeHill

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    Re: Subsonic slugs
    « Reply #6 on: December 02, 2017, 06:51:55 pm »
     :scrutiny :hmm :shrug
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    RMc

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    Re: Subsonic slugs
    « Reply #7 on: December 02, 2017, 07:04:08 pm »
     :eh
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    MTK20

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    Re: Subsonic slugs
    « Reply #8 on: December 02, 2017, 07:50:27 pm »
     :hmm Ah, We The Armed. Once again its members are showing expertise in a field that I know nothing about, which only reinforces why I come here  :cool.

    Thanks for the banter, vintage homies  :neener .
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    Capacity wasn't really an issue then... and honestly really it's not even an issue now.
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    coelacanth

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    Re: Subsonic slugs
    « Reply #9 on: December 02, 2017, 09:09:35 pm »
     :cool
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    RMc

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    Re: Subsonic slugs
    « Reply #10 on: December 11, 2017, 12:31:13 pm »
    The speed of sound varies with temperature.  So who would have thought there would be an online speed of sound calculator.   :coffee

    https://www.weather.gov/epz/wxcalc_speedofsound
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