Aero Precision M4E1 5.56 NATO Upper Receiver Carbine 10.5in G2 Handguard AR15

The Aero Precision M4E1 5.56 NATO assembled upper receiver carbine with G2 handguard in black anodized finish delivers a compact, reliable platform built on an AR-15 M4 contour with a 10.5" barrel for fast handling and agile performance. This assembled upper showcases Aero Precision's signature precision machining and robust fit, pairing a M4-style upper with a textured G2 handguard for confident control during rapid follow-up shots. The black anodized finish not only provides a durable, corrosion-resistant surface but also a clean, low-profile look that integrates smoothly with compatible lowers and lowers-only components. Ideal for sport shooting, defense training, or tight-quarter operations, the 10.5" carbine length strikes a practical balance between maneuverability and effective gas-system timing, supporting reliable cycling under varied ammunition. The assembled upper maintains an integrated look and simplifies assembly, allowing shooters to focus on accurate sight acquisition and rapid target acquisition. With its compact profile, consistent tolerances, and proven AR-15 platform compatibility, this upper receiver carbine offers a ready-to-run solution for shooters seeking a versatile, dependable build component that enhances performance in close-quarters or field environments.