Aero Precision M4E1 18" Railed Upper .223 Wylde 1:8 Rifle-Length no BCG&CH, Black

The complete upper assembly incorporates the advanced minimal optical deflection (MOD) 4 handguard in conjunction with an 18 inches .223 Wylde carbon fiber PROOF Research barrel. This barrel is engineered to deliver exceptional reliability and precision. Enhance your shooting capabilities with this meticulously designed complete upper. The MOD 4 handguard included with the upper receiver features a seven-sided M-LOK interface, enabling users to customize the upper to their specific requirements. Additionally, each of the four QD sockets on the MOD 4 is equipped with a steel liner, ensuring increased shear load capacity and extended service life with the continuous use of QD swivels. The newly improved forging process imparts a "billet look" to the upper receiver The newly designed picatinny profile integrates seamlessly with the Aero Enhanced series handguards' upper receiver Upper receiver with M4 feedramps Upper receiver with 1/4 inches takedown pin holes Upper receiver with laser-engraved T-marks The upper receiver is equipped with an installed port door and forward assist Comprehensive top picatinny rail designed for optional accessory attachments on the handguard The handguard is equipped with quick disconnect sling sockets located at the 3, 6 and 9 o'clock positions Handguard designed for compatibility with low-profile gas blocks Handguard with an internal diameter of 1.2 inches and an external diameter of 1-1/2 inches Compatible with military specification (mil-spec) AR-15 upper receivers and barrels Carbon fiber surface treatment 3/4 inches gas block journal 18 inches rifle-Length gas system M4 feed ramp extension barrel assembly A2 flash suppressor