Black Rain Ordnance Milled AR Upper Receiver for 223 Rem/556NATO – Flat Top Sights, Black Anodized (BRO-MUR-2)

• Milled upper receiver designed for AR platform rifle builds and customization
• Compatible with 223 Remington and 556 NATO caliber configurations
• Constructed from billet aluminum providing strength and structural durability
• Flat top design supports optic mounting and accessory rail integration
• Black anodized finish enhances corrosion resistance and surface hardness
• Stripped upper receiver configuration allows user selected component assembly

The Black Rain Ordnance Milled Upper Receiver 223 Rem/556 NATO Flat Top is an upper receiver designed for assembling AR-15 style rifle platforms.

This Black Rain Ordnance milled upper receiver is manufactured from billet aluminum and features a black anodized finish. It is chambered for .223 Remington and 5.56 NATO configurations and includes a flat top design for mounting optics or sights. The receiver is categorized as an AR upper and is intended for integration with standard lower receivers and components. This product is used for building or replacing upper assemblies in compatible rifle platforms for range use or general shooting setups. In standard configurations, the Black Rain Ordnance milled upper receiver provides a rigid structure and defined mounting surface for AR-pattern components and accessories.