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Seems that someone at the SHotshow is releasing a 5.7 AR upper...
Another company started this idea a while back, but it never went anywhere - we'll see if this one makes it to market...
Thanks to "Cold" from AR15.com for the pics...
Another company started this idea a while back, but it never went anywhere - we'll see if this one makes it to market...


Thanks to "Cold" from AR15.com for the pics...