SKU: BRO-MUR-2
UPC: 713757204903
The Black Rain Upper Receiver in .223 Remington, black finish, is a precision-manufactured component built for modern sporting rifle assembly and configuration. Black Rain Ordnance specializes in upper receiver manufacturing with attention to dimensional accuracy and material integrity—critical factors for reliable function and shot-to-shot consistency. This upper receiver serves as the core platform for builders and gunsmiths assembling .223/5.56 systems where quality machining and repeatability matter.
The .223 Remington upper receiver platform accommodates standard AR-pattern components, barrel extensions, bolt carriers, and charging handles within established dimensional specifications. Builders selecting a quality upper receiver prioritize dimensional stability, proper bolt face tolerances, and a solid connection point to the lower receiver—all factors that influence zero retention and long-term accuracy. Weighing 0.63 lbs and measuring 8.8 inches in length, this upper receiver integrates into standard modular AR configurations while maintaining the compact footprint operators expect from modern sporting rifles in this caliber class.
This component is designed for precision rifle builders, gunsmiths, shooting enthusiasts, and those assembling dedicated .223 Remington platforms for range work, training, or duty applications. Operators building custom configurations—whether for target shooting, home defense setups, or patrol-ready systems—rely on upper receivers from established manufacturers where tolerances and material quality are verifiable. The .223 Remington cartridge remains the standard for AR-platform rifles across civilian, law enforcement, and military contexts, making quality upper receivers essential building blocks for reliable systems.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.