Rock River Arms has built a longstanding reputation for manufacturing high-quality firearms trusted by military personnel, law enforcement officers, hunters and shooting enthusiasts of all disciplines. Their complete upper receivers serve as an excellent choice for completing rifle builds or quickly switching calibers on your preferred AR-15 platform. This complete upper receiver is chambered in .350 Legend, a versatile and reliable cartridge. It features a 16 inches chrome moly steel barrel equipped with a muzzle brake, effectively reducing felt recoil and enhancing accuracy for successive shots. Additionally, the upper includes a lightweight aluminum free-float handguard with M-LOK slots, providing easy integration of M-LOK compatible accessories such as bipods, foregrips and lights to customize your setup as desired. Included with the upper are a bolt carrier group, charging handle and magazine, making it ready for direct attachment to any standard AR-15 lower receiver. This setup offers a robust platform that combines Rock River Arms' renowned craftsmanship with the performance capabilities of the .350 Legend cartridge, suitable for a wide range of shooting applications.

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