This Complete Upper includes Aero Precision Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories. This complete upper does not include BCG or Charging Handle.
Includes:
- M4E1 Enhanced Assembled Upper Receiver
- 15″ Enhanced Handguard
- 16″ .300 Blackout CMV Barrel
- Low Profile Gas Block and Pistol Length Gas Tube
- Product comes assembled
M4E1 Upper Features:
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feedramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision handguards but also fits most BAR-system handguards
- Barrel nut and wrench are included
Quantum Handguard Features:
- 1pc free float design
- Removable 4-slot picatinny rail section for front sight
- Built in anti-rotation tabs
- 7 mounting surfaces for KeyMod accessories
- 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
- Compatible with low profile gas blocks
Barrel Features:
- Chamber: .300 Blackout
- Length: 16″
- Material: 4150 Chome Moly Vanadium
- Finish: QPQ Corrosion Resistant Finish
- Gas System Length: Pistol
- Gas Block Journal: .750″
- Twist Rate: 1:7 Inches
- Muzzle: 5/8×24 Threaded
- Weight: 29oz
- Other; M4 Feed Ramp Extension, HP and MPI Tested, Standard A2 Flash Hider
Specifications:
- Caliber/Gauge .300 Blackout
- Barrel Length 16″
- Barrel Twist 1:7
- Barrel Finish QPQ Corrosion Resistant
- Firearm Fit AR-15
- Threaded Barrel Yes