M4E1-T M4E1 300BLK Assembled Upper 8"bbl Threaded W/Rm7.3" HG BLK

Name: M4E1-T M4E1 300BLK Assembled Upper 8"bbl Threaded W/Rm7.3" HG BLK
Brand: Aero Precision
Availability: OutOfStock

Aero Precision · Upper Receiver

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Best price

$499.99at Brownells

Out of stock checked Oct 1, 2026

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Where to buy

Store	Price	Availability	Buy
Brownells Best price	$499.99checked Oct 1, 2026	Out of stock	Buy at Brownells
OpticsPlanet	$534.99Salechecked Oct 1, 2026	Out of stock	Buy at OpticsPlanet
MidwayUSA	$534.99checked Oct 1, 2026	Out of stock	Buy at MidwayUSA

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$499.99	$499.99	$499.99
MidwayUSA	$534.99	$534.99	$534.99
OpticsPlanet	$534.99	$534.99	$534.99

Since Sep 28, 2026.

About this part

The M4E1-T M4E1 300BLK Assembled Upper 8"bbl Threaded W/Rm7.3" HG BLK is an AR-15 complete upper receiver from Aero Precision. It's sold by 3 stores, from $499.99 to $534.99.

Fits and works with

Caliber: 300 Blackout · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 8" · Handguards

Specifications

Manufacturer: Aero Precision
Color: Black
Type: Complete
Platform: AR-15
Caliber: 300 Blackout

From the manufacturer

This complete upper includes Aero Precisions new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Their proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This complete upper includes Aero Precisions new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user m Mfg: Aero Precision