Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote

Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote - Upper Receiver for AR-15 - view 1
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Overview

The Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote is a upper receiver. Compare prices from multiple merchants and find the best deal.

Specifications

MPN13790
PlatformAR-15
AssemblyComplete
Barrel Length10
Caliber300 Blackout
Receiver TypeM4E1
ColorFDE
FinishCerakote

Available Merchants(3)

Prices checked

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Sportsmans Outdoor Superstore logo
Sportsmans Outdoor Superstore
Flat rate shipping
Shipping Speed
Out of Stock
$150
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AR15 Discounts logo
AR15 Discounts
~$9.99 est. shipping
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Out of Stock
$560
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Dirty Bird Industries logo
Dirty Bird Industries
~$9.95 est. shipping
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Out of Stock
$590
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September 2026 on GunPartPicker

Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote ranked #25 of the 615 upper receivers builders added on GunPartPicker in September 2026, behind the FightLite Industries MCR556DFRM AR-15 Upper 5.56x45mm NATO 16.25\" Black 7075-T6 Aluminum M-LOK Handguard, with about 1 in every 167 upper receivers added to builds. That's its 2nd straight month at #25. Builds with this upper receiver are nearly all chambered in 300 Blackout and nearly all AR-15.

It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now.

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