This LODO GEAR 300 AAC Upper Assembly is chambered in 7.62×35  and comes ready to fire right out of the box upon installation onto any standard AR-15 lower receiver. The upper receiver group is assembled from premium components into a high performance-package.The upper assembly comes equipped with a 4150 chrome moly steel barrel, 1 in 8″ twist rifling.Pictured Upper with a 12" Hera Keymod Rail

16" - 300 Blk Out Hera Key Mod Upper

  • Information Upper Receiver: A3 Flat-Top, Forged 7075-T6 Aluminum

    Barrel Length: 16″

    Barrel Contour: SOCOM

    Barrel Material: 4150 Chrome Moly Steel

    Muzzle Thread Pattern: ⅝ x 24

    Chrome Lined: No

    Barrel Finish: Nitride

    Twist Rate: 1 in 8″

    Chamber: 7.62×35 ,300 AAC

    M4 Feed Ramps: Yes

    Muzzle Device: A2

    Gas System Length: Pisto

    l Gas Block Diameter: 0.750″

    Handguard: Hera Arms Quad Rail, 12″ or 15" Free Float KeyMod

     Bolt Carrier Assembly Included: No

    Charging Handle: No