Complete Upper Features
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″ M4 profile with 5.56 chamber, button rifled, MP & HPI tested, Mid-length gas system, Nitride coated barrel extension, 11-degree target crown, and an A2 flash suppressor with crush washer. The barrel has been pre-dimpled (1) for gas block installation. Gas Port Hole: 0.0785
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 are hard coat anodized. Marked: Defense Solutions Group Inc CAGE: 1L0J5 and has the DSG badge on the opposite side.
16" Duty Series M4 Profile 5.56 Barrel
| Specifications: | |
| Barrel Length: | 16.0″ |
| Barrel Weight: | 30 oz |
| Barrel Material: | 4150 CMV |
| Barrel Caliber: | 5.56 |
| Barrel Chamber: | 5.56 |
| Barrel Profile: | M4 |
| Twist: | 1/7 |
| Barrel Thread: | 1/2 x 28 |
| Barrel Gas Block Size: | 0.750 |
| Gas System Length: | Midlength |
| Barrel Crown: | 11 Degree |
| Barrel Finish: | Nitride |
| Barrel Extension Finish: | Nitride |
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 bolt carrier group and charging handle.
