Aero Precision M4E1-T Assembled Upper 5.56 NATO 18"

This complete upper is equipped with Aero’s cutting-edge Minimal Optical Deflection (MOD) 4 Handguard, paired with an 18" .223 Wylde PROOF Barrel. Engineered for excellence, this Barrel has undergone rigorous testing to ensure peak performance and unrivaled reliability. Elevate your shooting experience with this precision-crafted complete upper.

The MOD 4 Handguard included with this complete upper receiver features a 7 sided M-LOK® interface allows the user to customize this upper to their exact specifications and needs. Lastly, each of the 4 QD sockets on the MOD 4 utilize a steel liner to ensure a higher shear load and longer service life with the continued use of QD swivels.

Made in the USA.

INCLUDES:

• M4E1 Threaded Assembled Upper Receiver
• MOD 4 15" Handguard
• 18" .223 Wylde PROOF Barrel
• Low Profile Gas Block and Gas Tube
• Product comes assembled
• This complete upper does not include BCG or Charging Handle.

M4E1 THREADED UPPER RECEIVER FEATURES:

• New enhanced forging that gives the upper receiver a "billet look"
• New picatinny profile that blends seamlessly with Aero’s Enhanced Series Handguards
• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks
• Includes port door and forward assist installed

MOD 4 HANDGUARD FEATURES:

• Full top picatinny rail for optional attachments
• Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
• Compatible with low profile gas blocks
• 1.2" Inside diameter
• 1.5" Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels

18" .223 WYLDE PROOF BARREL FEATURES:

• .223 Wylde
• Carbon Fiber Finish
• .750" gas block journal
• 18" Rifle-Length Gas System
• M4 Feed Ramp Extension
• Standard A2 Flash Hider
• Muzzle Threads: 1/2-28"
• Twist: 1-8

Specifications

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