Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16″ chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15″ RRA lightweight M-Lok compatible free float rail and a RRA Operator brake with a 5/8-32 thread pitch.
RRA CMPLT CAR A4 UPR 458 SOCOM 16″
$789.58
RRA CMPLT CAR A4 UPR 458 SOCOM 16″
2 in stock
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