Rock River Arms

Replacement parts kit for AR-style firearms. Includes parts that are commonly misplaced during a build or worn through years of use.Features:Replacement parts kit for AR-style firearms

Rock River Arms carbine-length free-float handguard. This 7.25? handguard is constructed of anodized 6061 aluminum and includes all necessary hardware. Some gunsmithing required.Features:M-LOK...

Chrome-moly 4140 steel with manganese phosphate finish. Fits .750 diameter barrels.Features:Chrome-moly 4140 steel;Manganese phosphate finish;Fits .750 diameter barrels

Lower parts kit for AR-15 lower receiver. Mil-Spec components. Made in USAFeatures:Lower parts kit for AR-15 lower receiver;Includes trigger and pistol grip

This RRA polymer magazine fits LAR-15 firearms. 30 round capacity.Features:30 round capacity;Polymer construction;.223 Rem/5.56x45mm NATO

Rock River Arms carbine-length quad rail handguard. This 7.25? handguard is constructed of anodized 6061 aluminum and includes all necessary hardware and three ladder rail covers. Some gunsmithing...

Rock River Arms A4 Coyote Carbine upper comes chambered in .300 AAC / Blackout with a 16" chrome moly 1/8twist barrel. Additionally this upper includes a RRA 12.5" M-Lok compatible lightweight free...

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...

Rock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16" chrome moly 1/24 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float...

Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with...