Buy your Aero Precision M5E1 Complete Upper from BatleHawk Armory today!The Aero Precision M5E1 Complete Upper is a high-quality and reliable solution for building a .308 rifle. It features a 20" .308 rifle barrel that is optimized for accuracy and long-range shooting. The barrel is made from durable materials to withstand heavy use and offers consistent performance. The upper receiver includes a 15" enhanced M-LOK handguard, providing ample space for attaching accessories such as optics, lights, and grips. The M-LOK system allows for easy customization and ensures a secure attachment of accessories. Finished in a sleek anodized black, the upper receiver not only adds a stylish touch but also provides corrosion resistance and durability. It is designed to be compatible with Aero Precision M5 lower receivers or other DPMS-patterned .308 platforms. With its precise craftsmanship and attention to detail, the Aero Precision M5E1 Complete Upper delivers reliable performance and a solid foundation for your .308 rifle build. Whether for precision shooting, hunting, or tactical applications, this complete upper receiver offers enhanced accuracy and versatility for demanding shooters.Includes:M5E1 Assembled Upper Receiver15" M-LOK Gen 2 Enhanced Handguard20" .308 CMV BarrelLow Profile Gas Block and Rifle Length Gas TubeProduct comes assembledThis complete upper does not include a BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tabM5E1 Upper Features:Forged from 7075 T6 aluminumPrecision machined to our specsM4 feedrampsLaser engraved T-marks (Anodized only).2795" takedown pin holesAccepts standard AR .308 componentsComes with forward assist and port door installedHandguard mounting platform is forged into the receiverGen 2 Enhanced Handguard Features:1pc free float designBuilt in anti-rotation tabsScalloped railsContinuous top rail1.78" inside diameter fits most muzzle devices and 1.5" suppressorsCompatible with low profile gas blocksGen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positionsGen 2 Feature - Additional milling along flats to aid with gripping and add visual appealGen 2 Feature - New profile for the continuous picatinny top rail20" .308 CMV Barrel Features:Twist: 1 in 10Threading: 5/8 x 24Material: 4150 Chrome Moly Vanadium SteelFinish: QPQ corrosion resistant finish both inside and outGas Block Journal: .750Gast Port: .087Gas System Length: RifleWeight: 59.68ozDPMS Barrel ExtensionHP and MPI Tested