SKU: RRABB0470
UPC: 842834123865
MPN: BB0470
The Rock River Arms BB0470 LAR-15M RRAGE 3G Complete Upper in 5.56x45mm NATO represents a purpose-built upper receiver assembly designed for shooters who demand reliability in tactical, competition, and duty applications. This complete upper eliminates the guesswork of component matching, offering law enforcement, military personnel, and civilian operators a plug-and-play solution that arrives factory-assembled and headspaced. Rock River Arms' proven manufacturing heritage ensures that every component works in concert from day one, removing common integration failures that plague hand-assembled uppers.
Built around a 16-inch 5.56 NATO barrel, this upper delivers combat-effective velocity while maintaining the handling characteristics preferred in close-quarters and tactical environments. The 15-inch M-LOK handguard provides modern accessory mounting flexibility without the weight penalty of traditional full-length rails, allowing you to configure lights, lasers, and grips exactly where needed. The aluminum receiver paired with the A2 flash hider manages muzzle signature effectively, while the absence of a forward assist signals Rock River's confidence in modern bolt carrier group reliability—a design choice that reduces parts count and potential failure points. At 5.88 pounds, the complete upper balances durability with mobility, critical for operators running extended missions or carbine courses where fatigue compounds shooter error.
This upper receiver assembly pairs seamlessly with any mil-spec lower receiver, making it ideal for shooters looking to upgrade existing platforms or build a dedicated configuration for specific roles. Whether you're outfitting patrol rifles, recce builds, or precision defensive carbines, the RRAGE 3G upper delivers the versatility and dependability that separates professional-grade equipment from consumer alternatives. Installation requires only four takedown pins and basic familiarity with AR platforms, placing it within reach of intermediate builders while offering seasoned gunsmiths a proven foundation for higher-tier builds.
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