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Customer Reviews
Most Recent Reviews
Exactly what you'd expect by D, Verified Owner, September 29, 2024
Zero malfunctions in about 200 rounds, assembled nicely, finish is good. Got 1.5moa with 75gr from a bench rest and 8 power scope. I feel it could easily be sub-moa with a better shooter, definitely with a lead sled. Really like the half-length quad ...
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Most Recent Reviews
No disappointment here. Aero gives very good performance at a fair prices. They are my go to manufacturer for all my builds.
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Product Info for Aero Precision M4E1 AR-15 14.5in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider

This Upper Receiver Handguard Combo now includes our 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. Anti-Rotation Tabs. Feed Ramp Extension. Scalloped Rails. Continuous Top Rail.image

Specifications for Aero Precision M4E1 AR-15 14.5in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider:

Manufacturer: Aero Precision
Caliber: 5.56x45mm NATO
Gas System Length: Mid Length
Barrel Twist Rate: 1-7
Handguard Type: Free-Float
Muzzle Device: A2 Flash Hider
Gun Model: AR-15, M16
Condition: New
Fabric/Material: 7075-T6 forged aluminum
Attachment Type: Picatinny
Handguard Length: 12 in
Gun Type: Rifle
Gun Make: Aero Precision, AR Platform
Included Accessories: Standard
Barrel Material: 4150 Chrome Moly Vanadium
Gas Block Journal Size-Length: 0.75 in
Bolt Carrier Group Included: No
Charging Handle Included: No
Magazine Included: No
Mount Type: Picatinny
Country of Origin: USA

Features of Aero Precision M4E1 AR-15 5.56 Mid Barrel Complete Upper Receiver with Flash Hider:

  • 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;
  • Handguard mounting platform is forged into the receiver;
  • Works with Aero Precision handguards but also fits most BAR-system handguards;

Features of 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

Features of 14.5in 5.56 Mid-Length Barrel Features:

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

Package Contents:

  • Aero Precision M4E1 AR-15 14in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider
  • Enhanced Handguard
  • 5.56 Mid-Length CMV Barrel
  • Low Profile Gas Block and Mid Length Gas Tube
  • Barrel nut and wrench

Aero Precision M4E1 AR-15 14.5in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider Orderable Models

List of Orderable Models

  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 16 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Anodized, Black, APAR640231Q7 , MPN: APAR640231Q7 , UPC: 815421023046 , Code: 29D-UFH-M4E1CMB5-APAR600231Q7
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232Q5 , MPN: APAR640232Q5 , UPC: 815421023244 , Code: 29D-UFH-M4E1CMB5-APAR640232Q5
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Anodized, Black, APAR640231Q5 , MPN: APAR640231Q5 , UPC: 815421023022 , Code: 29D-UFH-M4E1CMB5-APAR640231Q5
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232M5 , MPN: APAR640232M5 , UPC: 815421023091 , Code: 29D-UFH-M4E1CMB5-APAR640232M5

Aero Precision M4E1 AR-15 14.5in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232M5 , MPN: APAR640232M5-DEMO , Code: 29D-UFH-M4E1CMB5-APAR640232M5-DEMO
  • DEMO, Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232Q5 , MPN: APAR640232Q5-DEMO , Code: 29D-UFH-M4E1CMB5-APAR640232Q5-DEMO
  • DEMO, Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Anodized, Black, APAR640231Q5 , MPN: APAR640231Q5-DEMO , Code: 29D-UFH-M4E1CMB5-APAR640231Q5-DEMO
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in KeyMod Handguard, No BCG/CH, Anodized, Black, APAR640231P5 , MPN: APAR640231P5 , Code: 29D-UFH-M4E1CMB5-APAR600231P5
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in KeyMod Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232P5 , MPN: APAR640232P5 , UPC: 815421023169 , Code: 29D-UFH-M4E1CMB5-APAR640232P5
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