Complete Upper Features
Duty grade upper receiver with M4 feed ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized.
- 4150 Chrome Moly Vanadium steel
- QPQ coated barrel and barrel extension
- 300 Blackout Chamber
- Nickel Boron coated barrel extension
- M4 feed ramps
- Heavy profile
- 1:7 twist rate
- 5/8x24 muzzle threads
- Pistol-length Gas System
- HP & MPI tested
- .750” gas block seat
- Weight 29 oz
- Flat Muzzle Crown
- Button Rifled
DSG G4 Rail
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 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.