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Product Discontinued by Manufacturer

Aero Precision M4E1 AR-15 7.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider has been discontinued by Aero Precision and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.

Product Info for Aero Precision M4E1 AR-15 7.5in 5.56 Rifle 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

Features of Aero Precision M4E1 AR-15 5.56 Rifle 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;
  • 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;

Features of Enhanced Handguard:

  • 1pc free float design;
  • Rail is Machined from 6061-T6 Aluminum;
  • 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 5.56 Rifle Length Barrel:

  • 4150 CrMoV w/ QPQ finish;
  • 1/7 twist;
  • .750 gas block journal;
  • Rifle length gas system;
  • M4 Feed Ramp Extension;
  • HP and MPI tested;
  • Standard A2 flash hider

Package Contents:

  • Aero Precision M4E1 AR-15 7.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider
  • Enhanced Handguard
  • 5.56 Rifle Length CMV Barrel
  • Low Profile Gas Block and Rifle Length Gas Tube
  • Barrel Nut
  • Wrench

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Related Products to Aero Precision M4E1 AR-15 7.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider

Aero Precision M4E1 AR-15 7.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Aero Precision M4E1 Complete Upper Receiver, AR-15, 7.5 in Rifle Length Barrel, 7 in Quad Rail Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR640212Q0 , MPN: APAR640212Q0-EDEMO , Code: 29D-UFH-M4E1CMRB7-APAR600212Q0-EDEMO-US-C
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 7.5 in Rifle Length Barrel, 7 in Quad Rail Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR640212Q0 , MPN: APAR640212Q0 , UPC: 815421022629 , Code: 29D-UFH-M4E1CMRB7-APAR600212Q0
  • DEMO, Aero Precision M4E1 Complete Upper Receiver, AR-15, 7.5 in Rifle Length Barrel, 7 in Quad Rail Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR640212Q0 , MPN: APAR640212Q0-DEMO , Code: 29D-UFH-M4E1CMRB7-APAR600212Q0-DEMO
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 7.5 in Rifle Length Barrel, 7 in M-LOK Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR600212M0 , MPN: APAR600212M0 , Code: 29D-UFH-M4E1CMRB7-APAR600212M0
  • Aero Precision M4E1 Complete Upper Receiver, AR-15, 7.5 in Rifle Length Barrel, 7 in KeyMod Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR640212P0 , MPN: APAR640212P0 , UPC: 815421022582 , Code: 29D-UFH-M4E1CMRB7-APAR600212P0
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