Aero Precision M4E1 Complete Upper, 7.5" 5.56 Barrel, EM-7 Quantum Handguard - Anodized Black - APAR640101M0

This Complete Upper includes our 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

Specifications:

• Finish: Magpul Cerakote
• Model: M4E1
• Cartridge: 5.56x45mm NATO
• Barrel Length: 7.5 in
• Barrel Twist Rate: 1-7
• Handguard Length: 7 in
• Attachment/Mount Type: M-LOK
• Muzzle Device: A2 Flash Hider
• Gun Type: Rifle
• Gun Make: AR Platform
• Gun Model: AR-15
• Weight: 39.52 oz

Features:

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

Quantum Handguard Features:

• 1pc free float design
• Removable 4-slot picatinny rail section for front sight
• Built in anti-rotation tabs
• 1.78in inside diameter fits most muzzle devices and 1.5in suppressors
• Compatible with low profile gas blocks
• 7.5in 5.56 Pistol Length Barrel Features:
• Chamber: 5.56
• Length: 7.5in
• Twist: 1 in 7
• Threading: 1/2inx28
• Material: Chrome Moly Vanadium
• Finish: QPQ corrosion resistant finish both inside and out
• Gas Block: .750
• Gas System Length: Pistol
• Weight: 17.25oz
• M4 Barrel Extension
• HP and MPI Tested
• Included Accessories:
• M4E1 Enhanced Assembled Upper Receiver
• Quantum Handguard of choice
• 7.5in 5.56 Pistol Length CMV Barrel3
• Low Profile Gas Block and Pistol Length Gas Tube
• Product comes assembled
• This complete upper does not include BCG or Charging Handle
• These products may be selected as add-ons under the FINISH YOUR BUILD tab
• 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 16in as defined by the ATF for a rifle build.