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Thread: 458 SOCOM AR-15

  1. #121
    Grand Master Know It All davsel's Avatar
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    Quote Originally Posted by SideShow Bob View Post
    Ummm....... The ejection ort is on the upper.......
    Ummm.... I'm a complete idiot! Thanks for pointing that out.

  2. #122
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    My big bore is a .450BM (and a .450 Corvette Upper) and I have a Burris XTR 1.5-6 on one and a MTAC 1-4 on the other. I think anything in the range 1-4 to 2-7 is a good fit for the 45 caliber ARs.
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  3. #123
    Machine Gunner Squeeze's Avatar
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    Quote Originally Posted by davsel View Post
    You mention building an upper for this cartridge. Don't forget, you will need a modified lower as well - the ejection port needs to be opened up.

    I run a Burris XTR 1-4 on mine, and my Wilson barrel is good to go.s

    Good luck with the build, you will enjoy it.
    Okay, Dave, no more replying on the forum when you haven't had enough sleep. LOL! Just to clarify, I will be using an Anderson Arms upper specifically designed for the .458 Socom.
    If you aren't funding, f**king or feeding me - you don't get to decide what my needs are. That settles out to one person in this whole country who gets a vote on my "needs".

  4. #124
    Anthony Weiner of COAR cfortune's Avatar
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    I got a wild hair up my ass and ordered a Tromix 458 upper. Judging by the barrels they sell, I'm guessing I ended up with a 1 in 14 16.25 barrel. Any good resources on loading subs or load data in general? Preliminary research shows for the heavy stuff I should have gone with a faster twist. Most consolidated load data I'm finding is based on 300 - 325 grain pills though. Hoping I can push some 500 grainers through it but I won't be heart broken if I can't.

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  5. #125
    If I had a son he would look like....Ben SideShow Bob's Avatar
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    Here is a link to some data on loads for the Hornady 325 gr. FTX pill, from a reliable .458 SOCOM source :

    http://www.teppojutsu.com/downloads/...ad_325_ftx.pdf
    Last edited by SideShow Bob; 03-13-2018 at 07:21.
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  6. #126
    Machine Gunner Squeeze's Avatar
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    Any idea on what weight carbine buffer you use for a .458 Socom?
    If you aren't funding, f**king or feeding me - you don't get to decide what my needs are. That settles out to one person in this whole country who gets a vote on my "needs".

  7. #127
    Varmiteer 20X11's Avatar
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    Standard carbine buffer

  8. #128
    Machine Gunner Squeeze's Avatar
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    Quote Originally Posted by 20X11 View Post
    Standard carbine buffer
    Thank you 20X11!! I happen to have a couple of those laying around in my spare parts box.
    If you aren't funding, f**king or feeding me - you don't get to decide what my needs are. That settles out to one person in this whole country who gets a vote on my "needs".

  9. #129
    Grand Master Know It All davsel's Avatar
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    I purchased my build kit from Wilson Combat and it includes a heavier buffer spring and an adjustable gas block - Runs flawlessly once it is tuned.

  10. #130
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    Once I get the Tromix barrel, the muzzle brake, and BCG, my .458 build will be complete.
    If you aren't funding, f**king or feeding me - you don't get to decide what my needs are. That settles out to one person in this whole country who gets a vote on my "needs".

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