All Categories
    Menu Close

    DSG Complete 11.5" 5.56mm Duty Series Upper w/ 9.5" Geissele MK8 Rail w/ BCG

    Manufacturer: DSG Arms
    SKU: DSG-4303-0062
    Manufacturer part number: DSG-4303-0062
    Availability: Out of stock
    i h

    Login for preferred customer pricing.

    Complete Upper Features

    Upper is Mil-Spec upper receiver with M4 feed ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized. The barrel is 4150 Chrome Moly Vanadium steel with 1:7 twist, 11.5″ government profile with 5.56 chamber, button rifled, MP & HPI tested, Mid-length gas system, Nickel Boron coated barrel extension, 11-degree target crown and QPQ coating with A2 flash suppressor and crush washer. The barrel has been dimpled to ensure the gas block does not move. BCG is M16 Profile, MPI Magnetic Particle Inspected tested, 9310 steel bolt with extra power extractor spring with black insert, properly staked gas key, black nitride coated. Gas Port Hole: 0.073

    Geissele MK8 Rail

    The SMR MK8 is one of the first rails available to utilize the Magpul M-LOK technology. These rails are designed to give the user full modularity while maintaining a strong and rigid platform. Maximum venting at the lower 45° quadrants creates maximum heat dissipation and also dramatically reduces the rail's overall weight. Utilizing Magpul's M-LOK technology at the 3, 6, and 9 o'clock positions, as well as the upper 45° quadrants. The SMR MK8 is both versatile and modular, allowing the user to tailor their platform to his or her unique needs.


    Height: 2.3"

    Inner Diameter: 1.35"

    Outer Diameter: 2.11"

    Weight: 9.5” Rail - 10.6oz


    DSG Complete Duty Series Uppers are assembled and test fired by DSG armorers. Ready for field use*.

    More on DSG Complete Upper Assembly Process and Verification process are available in the Blog section of our website.

    *We Recommend DSG Standard and Enhanced Bolt Carrier Groups for guaranteed trouble-free and reliable performance. Charging handles come in many variations and all quality makes and models should work fine with our complete uppers.

    Note: Does NOT include a charging handle.

    Customers who bought this item also bought
    Midwest Industries 1.25" Heavy Duty Sling Swivel
    MAGPUL Rail Light Mount 11 O Clock - Left Side
    MAGPUL Gen2 MBUS Front Back Up Sight - Black
    Vltor Charging Handle for AR15 - Large Latch
    MAGPUL Milspec CTR Stock Kit - Stealth Grey
    SB Tactical SBPDW AR15 Pistol Brace - 3 Position