HD Tactical

Needing some barrel help

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  • Emcm2

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    Ok so I’m shopping around for a barrel I’m build a 7.62x39 in Ar platform and one company has their barrels listed and one has this
    311 Groove Diameter vs .310 Groove Diameter
    My question is what does that mean and is it any better of a barrel
    As always thanks for your input
    EMcM2
     

    Little Jack

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    762x39 generally is .311 on the bullet diameter. .308win, 7.62 NATO is a .310 diameter. I've heard of guys loading x39 with .310 bullets for the "thumper"round but if you just want to shoot the cheap wolf, it would seem you'd want .311.

    Someone with more/better info will be along shortly I'm sure.
     
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