Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102

Name: Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102
Brand: Aero Precision
SKU: APAR640269M102
Price: 509.99 USD
Availability: OutOfStock

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$Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102 - Upper Receiver for AR-15 - view 1$

$Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102 - Upper Receiver for AR-15 - view 2$

$Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102 - Upper Receiver for AR-15$

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Aero Precision

Overview

The Aero Precision M4E1 Complete Upper is designed for AR-15 builds, featuring an 8" barrel chambered in 5.56 NATO paired with a pistol-length gas system for reliable cycling. This complete upper assembly comes with the M4E1 receiver type, ensuring compatibility and ease of installation for builders looking for a streamlined setup. Commonly found in compact pistol builds, this upper is ideal for those seeking a lightweight and maneuverable firearm.

Specifications

MPNAPAR640269M102

Receiver TypeM4E1

AssemblyComplete

Caliber5.56 NATO

Gas System LengthPistol

PlatformAR-15

ColorBlack

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Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102

Available Merchants(1)

Prices checked Oct 11, 2026

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$510

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Build history on GunPartPicker

Builders on GunPartPicker first added the Aero Precision M4E1 Complete Upper, 8\" 5.56 Pistol Barrel with 7.3\" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102 to a build in May 2026.

It was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $509.99 at Optics Planet for when it comes back.

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Updated Oct 12, 2026 · from real builds on GunPartPicker · Prices checked Oct 11, 2026 · refreshed daily across 37 retailers