Rock River Arms A4 Carbine upper comes chambered in .350 Legend with a 16″ chrome moly 1/16 twist barrel. Additionally this upper includes a RRA 13″ M-Lok compatible lightweight free float rail and a RRA Operator Brake (1/2-36 thread). This is a complete upper with bolt carrier group, charging handle assembly and a 10 round magazine.
AR15 Uppers
RRA CMPLT CAR A4 UPR 350LGD 16″ 10RD
$737.99
RRA CMPLT CAR A4 UPR 350LGD 16″ 10RD
Availability: 7 in stock
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