Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73

Name: Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73
Brand: Aero Precision
SKU: APAR100218M73
Availability: OutOfStock

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$Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73 - Upper Receiver for AR-15 - view 1$

$Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73 - Upper Receiver for AR-15 - view 2$

$Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73 - Upper Receiver for AR-15$

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Aero Precision

Overview

The Aero Precision M4E1 Enhanced Gas Piston Complete Upper is a fully assembled upper receiver designed for the AR-10 platform, featuring a carbine-length gas system that optimizes reliability and performance with 5.56 NATO ammunition. The 16" barrel balances maneuverability and accuracy, while the 15" Enhanced M-LOK handguard allows for versatile accessory attachment and improved ergonomics. This upper is commonly found in builds aimed at competitive shooting and tactical applications where both precision and adaptability are key.

Specifications

MPNAPAR100218M73

Caliber5.56 NATO

Gas System LengthCarbine

AssemblyComplete

PlatformAR-10

ColorBlack

Receiver TypeM4E1

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Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73

Available Merchants(2)

Prices checked Oct 11, 2026

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Classic Firearms

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Out of Stock

$800

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Brownells

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$929

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Price and stock

The Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16\" 5.56 M4 Carbine Length Barrel & 15\" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73 was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $799.99 at Classic Firearms for when it comes back.

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Prices checked Oct 11, 2026 · refreshed daily across 37 retailers