Aero Precision, M4E1-E Complete Upper, 5.56, 13.9″, 1:7, 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