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Thread: AK-74 burn-down test (Russian)

  1. #21
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    OK. One thing that I'll point out is that copper jacketed steel case 5.45x39 and 223Rem is available, so the cost difference between the copper jacket and copper/mild steel jacket options isn't that much.

  2. #22
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    Quote Originally Posted by Bret View Post
    OK. One thing that I'll point out is that copper jacketed steel case 5.45x39 and 223Rem is available, so the cost difference between the copper jacket and copper/mild steel jacket options isn't that much.
    Iíve been eyeballing some of that ammo. But I canít help but note that Tuohy/Lucky Gunner found that there were differences in barrel wear rates among steel jacketed ammo. So the problem with increased wear may have as much to do with the powder or charge weight as the jacket material.
    Last edited by 1168; 10-11-19 at 15:12.

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