Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Left Hand Cerakote FDE

Stag Arms Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Left Hand Cerakote FDE - view 1
Buy Now

Stag Arms

Overview

The Stag Arms AR-15 A3 Flattop Upper Receiver Assembly is a stripped upper designed for the AR-15 platform, featuring a flat top profile that allows for easy attachment of optics and accessories. Its FDE color adds a tactical aesthetic while offering a durable finish. This upper is commonly used in builds that emphasize versatility and modularity, making it a popular choice among builders looking to customize their rifle.

Specifications

MPNSTAG310864
Receiver TypeFlat Top
AssemblyStripped
PlatformAR-15
ColorFDE

Available Merchants(1)

Prices checked

Stock Alert

Log in to get notified when this product is back in stock.

Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
Out of Stock
$120

Build history on GunPartPicker

Builders on GunPartPicker first added the Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Left Hand Cerakote FDE to a build in July 2026.

It was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $119.99 at Optics Planet for when it comes back.

Trending upper receivers →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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!