This only has the (Cerro forged) "keyhole" marked receiver which is common to all forged receivers used by Colt, Remington, YHM, Daniel Defense, LMT, Bushmaster, Stag, Spikes Sabre...
Not all RRA uppers are marked with their imprint.
Not saying this is RRA but can't say it isn't but it is a high quality receiver.
Last edited by uawman; 08-22-2013 at 08:29 PM.
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