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Recent content by Dnien

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    Gunsmithing .233 ammunition versus 5.56 pressure problems

    Re: .233 ammunition versus 5.56 pressure problems I changed out lowers, buffers, springs, gas blocks everything 3 different ways from Santa Clause. I'm basically bald now. I pretty much nailed it down to the ammo, or so I think. I'm going to run another test tonight. I'm interested to see...
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    Gunsmithing .233 ammunition versus 5.56 pressure problems

    I built a couple of AR-15 uppers for some clients and when test firing each upper I could not get the bolt to latch back on the last shot. After changing gas blocks, BCGs, etc, I finally tried some 5.56 ammo and it worked fine. The ammo I was originally using was .223 PPU 69grn. Has anyone...
    • Dnien
    • Thread
    • 233 556 ammunition pressure problems versus
    • Replies: 10
    • Forum: The Armory
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