Complete Upper Features
DSG's complete upper receiver is built on our Mil-Spec upper 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 coated with A2 flash suppressor and crush washer. The barrel has been dimpled during assembly to ensure the gas block does not move. Gas Port Hole: 0.073
This complete upper includes our G4 M-Lok handguard and includes one Picatinny rail section for accessory installation. The G4 handguard has built-in anti-rotation features, five QD swivel locations machined into the handguard and is hard coat anodized. Marked: Defense Solutions Group Inc CAGE: 1L0J5 and has the DSG badge on the opposite side.
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 troube-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 bolt carrier group and charging handle.