Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16 Barrel

Overview

Aero Precision M4E1 .350 Legend Upper (16 FDE) Features This upper utilizes Aero Precision's M4E1 threaded upper receiver enhanced for both function and form with a billet-style appearance laser-engraved T-marks and a pre-installed forward assist and port door. The FDE ATLAS R-ONE handguard is slim lightweight and features a full Picatinny top rail M-LOK compatibility and QD sling sockets at the 3 6 and 9 o'clock positions for versatile accessory mounting. The 16-inch barrel chambered in .350 Legend is made from 4150 CrMoV steel and features a DMR profile M4 feed ramp extension and carbine-length gas system with a .0785 gas port. Designed for precision and tested for durability the barrel is HP and MPI inspected and ready for serious field use. This fully assembled upper does not include a BCG or charging handle allowing for tailored customization. Aero Precision M4E1 .350 Legend Upper (16 FDE) Specifications Manufacturer: Aero Precision Model: M4E1 Assembled Upper Series: .350 Legend Caliber: .350 Legend Barrel Length: 16 Barrel Material: 4150 Chrome Moly Vanadium (CrMoV) Barrel Profile: DMR Gas System: Carbine-Length Gas Block Journal: .750 Gas Port Size: .0785 Twist Rate: 1:16 Feed Ramps: M4 Receiver: M4E1 Threaded Upper (Flat Dark Earth Finish) Handguard: ATLAS R-ONE (FDE M-LOK Full Top Rail QD Sockets) Inside Diameter (Handguard): 1.3 Outside Diameter (Handguard): 1.5 Construction: Fully Assembled (No BCG or Charging Handle Included) Compatibility: Mil-Spec AR-15 Lower Receivers