Daniel Defense Complete Upper Black .300 AAC Blackout 10.3-inch

Daniel Defense Complete Upper Black .300 AAC Blackout 10.3-inch - Upper Receiver for AR-15 - view 1

Daniel Defense

Overview

The Daniel Defense Complete Upper in .300 AAC Blackout features a 10.3-inch barrel, optimized for a pistol gas system, making it ideal for compact builds that require a lightweight and maneuverable profile. This complete upper assembly is designed specifically for the AR-15 platform, allowing builders to easily integrate it into their projects without the need for additional components. It's a popular choice for those looking to create a short-barreled rifle or pistol build that excels in versatility and efficiency.

Specifications

MPNDD-19020
PlatformAR-15
Caliber300 Blackout
Gas System LengthPistol
AssemblyComplete
ColorBlack
Barrel Length10.3

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Build history on GunPartPicker

Builders on GunPartPicker first added the Daniel Defense Complete Upper Black .300 AAC Blackout 10.3-inch to a build in February 2026.

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