Aero Precision M4E1T Upper | 11.5″ 5.56 NATO

The Aero Precision M4E1T Complete Upper is a factory-built AR-15 upper assembly centered on an 11.5″ barrel chambered for .223 Rem/5.56 NATO. It is built on a forged 7075-T6 M4E1 threaded upper receiver and ships with a 9″ Atlas R-ONE M-LOK handguard, matte black finish, and A2 flash hider. This upper is assembled with a forward assist and dust cover and does not include a bolt carrier group (BCG). Applications include compact sporting builds and range training/marksmanship practice.

Product Specifications

• The manufacturer is Aero Precision.
• The model is listed as M4E1T Complete – Upper.
• The caliber is 223 REM/5.56 NATO.
• The barrel length is 11.5 inches.
• The barrel rate of twist is 1:7″.
• The barrel material is CHROME.
• The barrel finish is MATTE BLACK.
• The upper receiver is forged 7075-T6 aluminum M4E1 threaded.
• The handguard is a 9″ ATLAS R-ONE MLOK handguard.
• The assembly is provided with a threaded 1/2×28 muzzle and A2 flash hider.
• This upper is assembled with a forward assist and dust cover.
• The included muzzle device is not pinned or welded to the barrel.
• The product does not include a BCG.
• Designed as an AR-15 accessory: Yes.
• The UPC is 815421027754.

This complete upper provides a build-ready, compact configuration for shooters seeking a reliable 11.5″ 5.56 NATO platform. Its M4E1 receiver interface and M-LOK handguard support a wide range of modern components for customization, while the chrome barrel and matte finish offer durable service life for frequent range use. Ideal for compact sporting rifles and focused range/training sessions, the M4E1T upper offers straightforward integration into compatible AR-15 lowers.