ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver Raw. It features a flat-top design with integrated Picatinny rails for versatile optics mounting and includes M4 feed ramps for reliable chambering. The sleek modern profile incorporates a low-profile brass deflector and omits the forward assist for weight savings and a cleaner look. Ideal for lightweight or minimalist builds this billet upper combines strength precision and streamlined function for custom AR platforms. Specifications for ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver: Manufacturer: ABC RIFLE COMPANY Fabric/Material: 6061 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Weight: 8 oz Package Contents: ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver What firearm models does the manufacturer say ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver is compatible with? The manufacturer suggests that ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver is compatible with AR-15ABC RIFLE COMPANY UP15-BILLET-MOD-W: AR-15 Custom Billet Modular Stripped Upper Receiver Raw