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Trail boss in .308

Discussion in 'Handloading and Reloading' started by Glockula, Feb 25, 2020.

  1. Glockula

    Glockula Member

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    Is there any load data anyonw knows of using Trail boss and subsonic .308 winchester rounds? Would it be possible with a 180 or 200 gr? If the answer is no then great. I just want to know. That would be good for the suppressor.
     
  2. MEHavey

    MEHavey Member

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  3. AJC1

    AJC1 Member

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    Not tried a sub in 308 but I would be using a pistol powder like 2400 or unique.
     
  4. FROGO207

    FROGO207 Member

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  5. jbm

    jbm Member

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    Yes, you can use it. The problem with shooting subsonic bullets is that you need something big (generally) and many 308's don't have an adequate twist to stabilize them. I have a dedicated subsonic bolt action. I shoot magnum primers with the primer pockets drilled to 1/8". I use Trail Boss and 220 grain bullets. The twist on the rifle is 7.5 inches.
     
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  6. jmorris

    jmorris Member

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  7. Glockula

    Glockula Member

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    Thanks for the replies.

    Why magnum primers with the flash holes drilled out? So little powder in the case it ensures reliable ignition?
     
  8. jmorris

    jmorris Member

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    I didn’t change the flash hole on my brass and used Winchester primers for standard or magnum loads.
     
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  9. Glockula

    Glockula Member

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    Not very productive use of time or components though I can get pretty much the same results with 147’s in a 9mm carbine for less cost per round.[/QUOTE]


    Yes, but it would be hard to get a 9mm 147 through a .30 cal suppressor!
     
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  10. STCL01

    STCL01 Member

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    Look up Trailboss. They give a range of loads for different calibers, and give you a method for developing loads. I'm loading subsonic in 308 with 8.3 grains of TB behind a 165 Ballistic Tip. I was afraid to go heavier with the twist in my rifle. It's quiet, and no recoil.
     
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  11. Glockula

    Glockula Member

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    I have had good accuracy with projectiles as heavy as 190gr Bergers in my 1:10 twist Savage 10 FPSR. I dont think stabalizing heavy bullets is an issue. I am going to do some capacity tests with my projectiles per hodgdon and load some.

    Thanks for all the feed back. I will report the results.
     
  12. jbm

    jbm Member

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    Trying to get more consistent ignition. My SD dropped a bit when I did it. It wasn't my idea. I read it on a forum somewhere.
     
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