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Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider Up to 18% Off w/ Free Shipping — 2 models
Let me address the short stroke issues that some are having. The 18" barrel with a rifle gas system shortens the dwell time considerably. This is the time from when the bullet passes the gas port to when it exits the barrel. With a rifle stock and...
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Update to previous review, had what I thought was gas issues causing unit to not cycle correctly. After months of trying new ideas and messing around with it, changing buffer weights, gas blocks ect. Ended up opening up the gas port to .101 and I hav...
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Loves 77gr federal gold medal match. 1/2” moa. Ended up using a bunch of different types of ammo. No issues with cycling. Not sure what the other issues were. Have put about 1000 rd Through it and impressed so far. Def likes 69/77 GR vs 55. Green tip...
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This Aero Precision upper looks great and shoots great. The handguard is smooth and well finished. The fluted barrel looks amazing. I definitely recommend this AR upper. Paired with an Aero Precision bolt carrier group, Trybe charging handle.
I was excited to receive the complete upper to only find out the upper it self is out of spec. after battling stuck and locked/seized bolt and two charging handles destroyed. took the complete upper to a gunsmith to figure out the issue. received a c...
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I too am having difficulties with this upper. I bought in hopes that I would not be one of the unfortunate ones who has issues. To this point I have tried adjusting the gas block but with no luck fixing the issue. I am going to try a new gas block...
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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.
Made in USA
Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.
Product Info for Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider
This Complete Upper 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.
Specifications for Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider:
Manufacturer:
Aero Precision
Caliber:
.223 Wylde
Barrel Length:
18 in
Barrel Profile:
Fluted, SPR
Barrel Twist Rate:
1-8
Muzzle Device:
A2 Flash Hider
Gun Model:
AR-15
Condition:
New
Handguard Length:
15 in
Gun Make:
AR Platform
Included Accessories:
EM-15 Handguard Gen 2, None
Barrel Material:
416R Stainless Steel
Weight:
68.5 oz, 51.34 lb
Magazine Included:
No
Mount Type:
M-LOK
Country of Origin:
USA
Features of Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider
M4E1 Enhanced 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 (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
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
1.78in inside diameter fits most muzzle devices and 1.5in suppressors
Compatible with low profile gas blocks
Gen 2 Feature - Quick disconnect sling socket at the 3
6 and 9 oclock 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
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Made in USA
