Feb 23

Weekend Special – Aero Precision M4E1 Upper Build Kit

Aero Precision M4E1 Upper Build Kit

Aero Precision M4E1 Upper Build Kit

Aero Precision M4E1 Upper Build Kit

This weekend’s Aero Precision Special features an M4E1 Upper Build Kit in Anodized Black. This non-assembled build kit features a M4E1 Enhanced Upper Receiver with a 15″ Quantum M-LOK Handguard.

MSRP: $613.91


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Aero Precision M4E1 Upper Build Kit Includes:

  • M4E1 Assembled Enhanced Upper Receiver
  • 15″ Quantum M-LOK Handguard
  • 16″ 5.56 CMV Barrel
  • VG6 Epsilon 556
  • Raptor-LT Lightweight Ambidextrous Charging Handle
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Product comes assembled
  • This upper build kit does not include a BCG. You can select one as an add-on under the FINISH YOUR BUILD tab

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 wrench is included

Quantum Handguard Features:

  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 7 mounting surfaces for KeyMod accessories
  • 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
  • Compatible with low profile gas blocks

16″ 5.56 Mid-Length Barrel Features:

  • 5.56 NATO 16″ Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • .750 gas block journal
  • Mid-length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider