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I have an Aero Precision M4E1 Enhanced 10.5" 5.56 Barrel Complete Upper Receiver for sale. (No trades at this time. Thanks.) It has less than 30 rds through it. (Thought this would work for my wife but it turned out to be too heavy for her.) It comes in the original box and is in perfect condition. Offers considered. Thank you.

Information/Specs from Aero Precision:

This Complete Upper 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.

M4E1 Enhanced Assembled Upper Receiver
Enhanced Handguard of choice
10.5" 5.56 CMV Barrel
Low Profile Gas Block and Carbine Length Gas Tube

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
Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal
Gen 2 Feature - New profile for the continuous picatinny top rail

10.5" 5.56 Barrel Features:
5.56 Nato 10.5" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
.750 gas block journal
Carbine length gas system, .0785 gas port
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider

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  1. I agree to the classified rules and terms of service
Just in case, the complete upper does not include the BCG or charging handle. I do have an Aero Precision BCG and Radian Raptor charging handle available. (Those will be posted separately, but forgot to mention it.) Thank you

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