Heavy AR calibers and buffers

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    jimbobborg

    jimbobborg

    Oddball caliber fan
    Aug 2, 2010
    17,124
    Northern Virginia
    Just throwing this out there. I've been collecting cowboy guns for a bit, will pick up a few more. In the mean time, I'm looking at building another AR upper in one of the bigger calibers. Would a rifle buffer be sufficient in an A2 stock for one of the 45 or the 50 calibers in the platform? If I use a carbine lower, what weight should I use?
     
    B

    BradMacc82

    Ultimate Member
    Industry Partner
    Aug 17, 2011
    26,177
    I use a carbine length buffer system on the .50Beo. The gas is a midlength system.

    Wolff XP spring, and T2 buffer. It's actually oversprung somewhat, occasionally doesn't lock the bolt back on an empty mag. Being a range toy, I'm ok with that.
     
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