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  • 1 Post By mawzer308
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Thread: Picking the forums collective brain.

  1. #1
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    Question Picking the forums collective brain.

    So I'm wanting to develop a new load for my horse back hunting rifle in order to use the one short handy carbine for all my big game hunting, on horse or otherwise.

    So the rifle in question is a 7m08 cut down to 17" or so with a can,
    The projectiles ive good heaps of are 162gr A-max I have for my 7mmRM that I'd like to use.
    The appropriate powder I've got on hand is ADI 2206h and 2208 I'm thinking 2206h because of the short barrel.

    Has anyone here got experience sending such a heavy projectile through a short barrel like this and what sort of results did they get.
    The loading data claims 2600fps out of a 24" tube. I imagine that would do the job for the ranges I'm going to be shooting at.

    Any input welcome,

    Cheers Willy

  2. #2
    Member mawzer308's Avatar
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    @Pop Shot, uses 162amax with 20inch barrel. Think he used 2208 and was getting around 2640fps
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  3. #3
    Member Pop Shot's Avatar
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    Quote Originally Posted by mawzer308 View Post
    @Pop Shot, uses 162amax with 20inch barrel. Think he used 2208 and was getting around 2640fps
    Spot on.

    Absolutely devastating from point blank to a long way out there.

  4. #4
    Member Timmay's Avatar
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    Quote Originally Posted by Pop Shot View Post
    Spot on.

    Absolutely devastating from point blank to a long way out there.
    68.7k PSI? thats a hot load my man.
    William likes this.

  5. #5
    Member Rock river arms hunter's Avatar
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    Hey @William

    Once I get my model 7 back I can let ya know what my recipe is.
    I'll be running the 160gr tmk from a 16" barrel.

    So similar and should get you in the ball park area.
    William likes this.

  6. #6
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    I love hunting from horse back, me and my nag named One Shot...
    William likes this.

  7. #7
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    I loaded 162eldx from an 18" barrel 708 with 2206h. Hot load but accurate, I can only imagine the amax will be even better. I got 2660 or 2680fps though
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  8. #8
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    Cheers guys, I might make up a couple of batches both with 2206h and 2208 and see which one preforms better,
    I'm not keen on going really hot, 162 is a fairly large pill and I don't think it will lack for take down power.
    winaa likes this.

  9. #9
    Member Rock river arms hunter's Avatar
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    Quote Originally Posted by William View Post
    Cheers guys, I might make up a couple of batches both with 2206h and 2208 and see which one preforms better,
    I'm not keen on going really hot, 162 is a fairly large pill and I don't think it will lack for take down power.
    If you refer to ADI pistol data for 7mm08 it may be more useful than the rifle data.

    Reason: Pistol data for 7mm08 is based on a 15" barrel
    William, Micky Duck and winaa like this.

  10. #10
    Member Timmay's Avatar
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    Yeah, SAAMI max psi for the 7mm08 is 61k psi so 68k is .... Hot...
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  11. #11
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    Quote Originally Posted by Rock river arms hunter View Post
    If you refer to ADI pistol data for 7mm08 it may be more useful than the rifle data.

    Reason: Pistol data for 7mm08 is based on a 15" barrel
    I had a good look at the pistol loading data for 708, I also have a box 120 BT here that I might use up first, they seem to be getting pretty good velocities with lighter rounds out of short barrels, I'll make one big batch of all my remaining 120BT then develop a load for the 162gr.

    Interesting to note that they seem to be getting beter results from the 2208 than the 2206h. I seem to remember it the other way around for short barrels, Must have been only in the larger bores.

  12. #12
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    Quote Originally Posted by William View Post
    I had a good look at the pistol loading data for 708, I also have a box 120 BT here that I might use up first, they seem to be getting pretty good velocities with lighter rounds out of short barrels, I'll make one big batch of all my remaining 120BT then develop a load for the 162gr.

    Interesting to note that they seem to be getting beter results from the 2208 than the 2206h. I seem to remember it the other way around for short barrels, Must have been only in the larger bores.
    Greetings William,
    The idea that faster powders are needed in short barrels is largely a myth. It gets repeated ad nauseum in the firearm press but it is still a myth. Actual tests do not support it.
    Regards Grandpamac.
    William likes this.

 

 

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