Aero Precision M4E1 Complete Upper .300 AAC Blackout 16 Barrel

Aero Precision M4E1 Features The 16-inch barrel is crafted from durable materials for consistent accuracy and performance with a 1:7 twist rate to stabilize subsonic and supersonic rounds effectively. The ATLAS R-ONE handguard designed to minimize weight without compromising durability features a slim profile and M-LOK compatibility for attachment of accessories. The M4E1 threaded upper receiver is machined from 7075-T6 aluminum providing superior strength and compatibility with AR-15 components. Its enhanced design offers a seamlessly integrated handguard mounting system for increased stability. The upper includes an installed A2 flash hider to reduce muzzle flash. Aero Precision M4E1 Specifications Caliber: .300 AAC Blackout Barrel Length: 16 inches Twist Rate: 1:7 Gas System Length: Pistol Muzzle Thread Pattern: 5/8x24 Muzzle Device: A2 Flash Hider Handguard: ATLAS R-ONE 15-inch M-LOK - Anodized Upper Receiver Material: 7075-T6 Aluminum Finish: Black Anodized Handguard Features: Slim profile M-LOK compatibility