Aero Precision M4E1 Barreled Upper 8" .300 Blackout Quantum 7" M-LOK Hg -Black

Aero Precision M4E1 Barreled Upper 8" .300 Blackout Quantum 7" M-LOK Hg -Black

Features:
- M4E1 Enhanced Assembled Upper Receiver
- Enhanced Handguard of choice
- 8" .300 Blackout CMV Barrel
- Low Profile Gas Block and Pistol Length Gas Tube
- Product comes assembled
- This assembly does not include BCG or Charging Handle
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. Per the National Firearms Act the muzzle brake MUST be pinned and welded to achieve the necessary 16" as defined by the ATF for a rifle build.

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 (Anodized only)
- 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

Gen 2 Enhanced Handguard Features:
- 1pc free float design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
- Compatible with low profile gas blocks
- Gen 2 Feature - Quick disconnect sling socket at the 3 6 and 9 oclock positions
- Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal
- Gen 2 Feature - New profile for the continuous picatinny top rail

8" .300 Blackout Barrel Features:
- Length: 8"
- Twist: 1 in 7
- Muzzle: 5/8x24 Threaded
- Material: 4150 Crome Moly Vanadium
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block: .750
- Gas Port: .109
- Gas System Length: Pistol
- Weight: 18oz
- M4 Barrel Extension
- HP and MPI Tested