Aero Precision M4E1-T Complete Upper 6.5 Grendel 18 Barrel

All Aero Precision upper receivers
Aero Precision M4E1-T Complete Upper 6.5 Grendel 18 Barrel - Upper Receiver for AR-15 - view 1
Buy Now

Aero Precision

Overview

The Aero Precision M4E1-T Complete Upper 6.5 Grendel 18 Barrel is a upper receiver. Compare prices from multiple merchants and find the best deal.

Specifications

MPNAPAR700725M52
Receiver TypeM4E1
PlatformAR-15
Barrel Length18
Gas System LengthRifle
AssemblyComplete
Caliber6.5 Grendel
ColorBlack
Material7075-T6 Aluminum

Available Merchants(3)

Prices checked

Stock Alert

Get an email when this is back in stock.
Brownells logo
Brownells
Free shipping
Shipping Speed
Out of Stock
$654.99
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
Out of Stock
$654.99
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
Out of Stock
$654.99

Build history on GunPartPicker

Builders have added the Aero Precision M4E1-T Complete Upper 6.5 Grendel 18 Barrel to their builds on GunPartPicker. Since April 2026, it ranks #1237 of the 2,051 upper receivers builders have added.

It was out of stock everywhere we track every time we checked in October 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $654.99 at Brownells for when it comes back.

Trending upper receivers →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which upper receiver to pick?

We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.

Read the guide: Most Popular AR-15 Upper Receivers →

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!