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458 SoCom

Discussion in 'Rifles' started by FireInTheWire, Oct 1, 2018.

  1. kbaxter60

    kbaxter60 Hill Country State of Mind

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    Wow, my go-to site for ammo (gunbot.net) had it STARTING at 2.90/round. When I tried the first pick, it came up with this:
    https://www.midwayusa.com/product/1001810151?pid=268259
    ...which said 2.00/rd. Still...
     


  2. TheDan

    TheDan 4th Best Member TGT Supporter

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    Yeah the selection on gunbot is a little disappointing. Ammoseek has more: https://ammoseek.com/ammo/458-socom

    Was hoping someone might know of a honey hole that isn't on either.
     
  3. deemus

    deemus my mama says I'm special

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    I'm loading for about 65 cents per, excluding brass. I bought some Starline brass.

    It's a bit finicky reloading. Got to have it just right. Spent a fair amount of time on 458socom.com. Learned a ton over there.
     
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  4. lonestardiver

    lonestardiver Well-Known

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    Can you define finicky? Is it charge weight, seating depth, crimp,???
     
  5. ROGER4314

    ROGER4314 Been Called "Flash" Since I Was A Kid!

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    Deemus is telling you right! I use Hornady bullets of 300 grain with Starline brass. Cost is right at 65 cents per round. Not bad for a shoulder cannon!

    That 300 grain slug is designed for the 45-70 and works great! Sure, if you step off of the well worn path, costs peak quickly. Shooting the .458 Socom is NOT outrageously expensive if you stick with the "cheap guy" loads because the 300 grain 45-70 bullets are very reasonable. Those loads are plenty powerful, too!

    The "finicky" is due in part that the cartridge data has spotty OAL length data. Play with the OAL and see what feeds best in your AR-15. Some folks even make a relief radius on the forward surface of their magazines to aid feeding. I have NOT needed to do that.

    I'd LOVE to have a bolt action rifle in .458 Socom!

    Flash
     
    Last edited: Aug 16, 2019
    TxStetson likes this.
  6. deemus

    deemus my mama says I'm special

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    The other finicky part is that you have to Bell the mouth to accept the bullet, using the Lee powder through expanding die, to properly insert the bullet and seat it.

    Also, you have to roll crimp the mouth to close the case back around the bullet. Otherwise the case mouth can prevent the round from fully chambering.

    Once I did those steps, I've had zero rounds not chamber and fire.
     
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  7. lonestardiver

    lonestardiver Well-Known

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    I will look for a lee powder through expanding die for it....
     
  8. deemus

    deemus my mama says I'm special

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    I bought the Lee die set and it came with it.
     
  9. lonestardiver

    lonestardiver Well-Known

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    I see a generic powder through expanding die .25 - .45 and then I see some for .45-70.

    What are you using?
     
  10. deemus

    deemus my mama says I'm special

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    I'll have to look, but I thought I bought a 4 die set that included it. I will let you know this weekend.
     


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