Davidson Defense Warden Duty 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build

Warden Duty 10.5-Inch 5.56 NATO AR-15 Complete Upper with Carbine Gas and Keymod Handguard

The Warden Duty 10.5-Inch 5.56 NATO AR-15 Complete Upper includes an upper assembly, bolt carrier group, and charging handle. The 10.5-inch barrel features 4150 CrMoV construction with phosphate finish, government profile, and 1:7 twist rate. The upper assembly includes a 7075 T6 aluminum upper receiver with M4 feed ramps and anodized finish, 10-inch Trinity Force ECHO KeyMod handguard, micro low-profile gas block, and A2-style birdcage flash hider. The nitride-finished BCG is constructed from 9310 alloy steel and includes a mil-spec M4 charging handle.

Key Features

• 10.5-inch barrel, 4150 CrMoV steel, phosphate finish, 1:7 twist rate
• Government profile barrel with carbine-length gas system
• 7075 T6 aluminum upper receiver with M4 feed ramps, anodized finish
• 10-inch Trinity Force ECHO KeyMod handguard, aluminum construction
• Nitride-finished BCG, 9310 alloy steel construction
• Mil-spec M4 charging handle included
• A2-style birdcage flash hider, 1/2x28 thread pitch
• 0.750-inch gas block diameter

Perfect For

• Builders assembling compact AR-15 pistol or SBR configurations
• Shooters seeking complete uppers with BCG and charging handle included
• Users prioritizing KeyMod accessory mounting compatibility
• Those requiring M4 feed ramps for improved feeding reliability

Carbine Gas System Configuration

The 10.5-inch barrel pairs with a carbine-length gas system, providing increased gas port dwell time compared to pistol-length systems at this barrel length. The micro low-profile gas block measures 0.750 inches in diameter and sits beneath the KeyMod handguard. The carbine gas system length offers compatibility with standard carbine-length gas tubes.

Trinity Force ECHO KeyMod Handguard

The 10-inch Trinity Force ECHO KeyMod handguard features aluminum construction in a slim profile design and provides KeyMod accessory mounting slots along multiple positions. The handguard extends to near-muzzle length on the 10.5-inch barrel configuration and offers free-float mounting to the upper receiver. KeyMod slots accept KeyMod-compatible accessories and rail sections.

Complete BCG and Charging Handle

The complete bolt carrier group features 9310 alloy steel construction with nitride finish and includes bolt, carrier, cam pin, firing pin, and retaining pin. The BCG provides compatibility with 5.56 NATO, .223, .300 Blackout, and .350 Legend chamberings. The mil-spec M4 charging handle offers standard AR-15 compatibility and T-handle configuration.

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