Davidson Defense Warden Duty 16-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Rifle Complete Upper Build

Davidson Defense Warden Duty AR-15 Complete Upper - 16-Inch 6.5 Grendel - 4150 CrMoV - Phosphate - Carbine Gas

This Davidson Defense Warden Duty complete upper is chambered in 6.5 Grendel and includes a 16-inch barrel constructed from 4150 CrMoV steel with a phosphate finish and 1:8 twist rate, a 7075-T6 aluminum upper receiver with anodized finish, a Trinity Force ECHO 15-inch freefloat Keymod handguard constructed from aluminum, a 6.5 Grendel II bolt carrier group with QPQ nitride finish, a Mil-Spec AR-15 M4 charging handle, and a standard AR-15 birdcage flash hider. The gas system corresponds to a carbine-length configuration.

Key Features

• 16-inch 6.5 Grendel barrel, 4150 CrMoV steel, phosphate finish, 1:8 twist rate
• 7075-T6 aluminum upper receiver, anodized finish
• Trinity Force ECHO 15-inch freefloat Keymod handguard, aluminum
• 6.5 Grendel II bolt carrier group, QPQ nitride finish
• Mil-Spec AR-15 M4 charging handle
• Standard AR-15 birdcage flash hider
• Carbine-length gas system

Perfect For

• AR-15 builders sourcing a 6.5 Grendel complete upper with Trinity Force ECHO handguard
• Gunsmiths working with Davidson Defense Warden Duty 6.5 Grendel complete upper configurations
• Enthusiasts seeking a 16-inch 6.5 Grendel complete upper with QPQ nitride bolt carrier group

4150 CrMoV Barrel and 7075-T6 Upper Receiver

The 16-inch 6.5 Grendel barrel in this complete upper is constructed from 4150 CrMoV steel with a phosphate finish and a 1:8 twist rate. The 7075-T6 aluminum upper receiver carries an anodized finish corresponding to standard AR-15 upper receiver material specifications. The carbine-length gas system configuration corresponds to the 16-inch barrel profile included in this complete upper.

Trinity Force ECHO 15-Inch Freefloat Keymod Handguard

The Trinity Force ECHO 15-inch freefloat Keymod handguard is constructed from aluminum and provides an extended surface area for Keymod-compatible accessory attachment along the upper assembly. The freefloat profile keeps the handguard clear of the barrel for an unobstructed fit. Keymod compatibility supports modular accessory options across the full length of the handguard.

6.5 Grendel II Bolt Carrier Group and Charging Handle

The 6.5 Grendel II bolt carrier group carries a QPQ nitride finish and is an included component in this complete upper. The QPQ nitride finish is a recognized protective finish specification within the AR-15 platform. The Mil-Spec AR-15 M4 charging handle and standard AR-15 birdcage flash hider round out the complete upper component set.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.