Aero Precision M4E1 Threaded Stripped Upper Receiver 5.56 NATO APAR700201C

The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR15 barrel nut and forged from 7075-T6 aluminum and precision machined to work with all mil-spec AR15 parts. The M4E1 features a picatinny profile, M4 feedramps, and .250 takedown pin holes. This model has a black hardcoat anodized finish. NOTE: This model does not include port door or forward assist.

• Brand Aero Precision
• Category Uppers
• Caliber 223 Remington/5.56 NATO
• Model M4E1
• Series Stripped Upper Receiver
• Type Stripped
• Sights None
• Receiver Description 7075-T6 Aluminum
• Receiver Finish Black Hard Coat Anodized