Aero Precision M4E1 Barreled Upper 8″ .300 Blackout Barrel Quantum 7″ M-LOK HG -Black

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 o’clock 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: 5/8×24 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