Aero Precision M4E1T Complete Upper | 16in | 5.56 NATO

The Aero Precision M4E1T Complete Upper pairs a forged M4E1 threaded upper receiver with a 16-inch mid-length barrel and the ATLAS S-ONE 15-inch M-LOK handguard. The listed cartridge is .223 Rem / 5.56 NATO, and the barrel is specified with a 1:7″ rate of twist and a chrome barrel material. This assembly ships without a bolt carrier group (BCG) and includes a threaded 1/2×28 muzzle fitted with an A2 flash hider. Typical applications include precision/target shooting and varmint or utility fieldwork where a balanced, lightweight AR-15 upper is desired.

Product Specifications

• Manufactured by Aero Precision.
• Model designation is listed as M4E1T Complete Upper.
• The cartridge is specified as 223 REM/5.56 NATO.
• The barrel length is 16 inches.
• The rate of rifling twist is 1:7.
• The barrel material is listed as CHROME.
• The barrel finish is Matte Black.
• The handguard is a 15-inch ATLAS S-ONE M-LOK unit.
• The upper receiver is forged 7075-T6 aluminum.
• This upper is assembled with a forward assist and dust cover.
• The muzzle is threaded 1/2×28 and fitted with an A2 flash hider.
• This listing does not include a bolt carrier group (BCG).
• Designed to fit AR-15 platforms.
• This item is marked NO DIRECT SHIP TO CALIFORNIA.
• The UPC is 840014601585.

Configured for a lightweight, modular build, the M4E1T Complete Upper offers a slim ATLAS S-ONE handguard for accessory mounting and a mid-length barrel for balanced handling. The combination of a chrome barrel and a 1:7 twist supports a wide range of 5.56/.223 projectiles and is suitable for target work or field duties where reliable accuracy and a slim profile are priorities. This upper provides a ready foundation for builders assembling a precision-oriented AR-15 platform.