Aero Precision M4E1 Enhanced Complete Upper, 13.9" 5.56 CMV Mid-Length Barrel with 12.7" Enhanced M-LOK Handguard - Anodized Black - APAR600217M99

Aero Precision APAR600217M99: This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. This complete upper does not include BCG or Charging Handle. 

INCLUDES:

• M4E1 Enhanced Assembled Upper Receiver
• 12.7" Enhanced M-LOK Handguard
• 13.9" 5.56 CMV Mid-Length Barrel
• Low Profile Gas Block and Mid-Length Gas Tube
• AR15 A2 Birdcage Flash Hider
• 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

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
• Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
• Additional milling along flats to aid with gripping and add visual appeal
• New profile for the continuous picatinny top rail

13.9" 5.56 CMV MID-LENGTH BARREL

• 5.56 Nato 13.9" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
• .750 gas block journal
• Mid-Length Gas System
• M4 Feed Ramp Extension
• HP and MPI tested
• Standard A2 flash hider