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    DSG-4303-0065 DSG Complete 16" 5.56mm Duty Series Upper w/ 15" Geissele MK14 Rail w/ BCG

    Manufacturer: DSG Arms
    SKU: DSG-4303-0065
    Manufacturer part number: DSG-4303-0065
    GTIN: 842361119249
    Availability: Out of stock
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    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, 16″ 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: 0.0785

    Geissele MK14 Rail

    The new handguard design offers a smaller diameter and overall height to create a slimmer package. The MK14 is 3d precision machined using 6061-T6 Aluminum due to its strong, rigid and lightweight properties. Utilizing Magpul’s M-LOK technology in the 3, 6, and 9 o’clock positions allow the end user full customization and modularity of their rifle to securely mount lights, bipods, and other firearm accessories. The Geissele MK14 Super Modular rail is finished in a durable and long-lasting Type 3 Hardcoat Anodized.


    Height: 2.02"

    Inner Diameter: 1.27"

    Outer Diameter: 1.52"

    Weight: 15” Rail - 13.2oz


    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.

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