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300 BLK subs

Discussion in 'Ammunition & Reloading' started by v0lcom13sn0w, Feb 14, 2016.

  1. v0lcom13sn0w

    v0lcom13sn0w Keizer, or Well-Known Member

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    so, i caught the short barreled 300blk bug and i just cant shake it. its so bad that i have no other option but to run a suppressor so that its not so painful on my ears! all subsonic data or info i can find is atleast a couple years old and i am having a hard time finding out what people are perscribing their subsonic rounds on the reloading bench. ive heard 1680 is the ticket to reliable subsonic cycling in an AR type rifle but as hard as it is to come by i am curious as to what else will work??

    10" barrel
    Pistol Gas
    M16 carrier
    Carbine buffer for now

    for all of you with this same or similar bug...cheers!
     
    Last edited: Feb 14, 2016
    coyotecaller and John Gault like this.
  2. zxtaz

    zxtaz West Seattle Member

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    I use lil gun
     
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  3. Rockys

    Rockys Clark county Member

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    aa-5744 works also. It usually costs a little more.
     
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  4. David J

    David J hillsboro Member

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    I use IMR 4198 for 208gr and 220gr Hornady sub rounds in a 8 1/2 with a Bowers can


    Oregon-Precision-Handguard-2.gif
     
    Last edited: Feb 15, 2016
    PBinWA and v0lcom13sn0w like this.
  5. PBinWA

    PBinWA Clark County Well-Known Member

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    You should be able to find 1680 if you look around. Bought my last jug at Curt's.
     
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  6. v0lcom13sn0w

    v0lcom13sn0w Keizer, or Well-Known Member

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    nice gun. what type of handguard is that?
     
  7. David J

    David J hillsboro Member

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    That is a two piece that I make in my shop it is made to go over the bowers can to add some protection to it and you can mount the front sight out further forward for a longer sight radius
     
  8. v0lcom13sn0w

    v0lcom13sn0w Keizer, or Well-Known Member

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    wow! thats awesome. i want to do something similar with my build now