Davidson Defense Warden Duty 16-inch 1:10 9MM AR-9 Freefloat Keymod Handguard Rifle Upper Build Kit

Davidson Defense Warden Duty AR-9 Upper Build Kit - 16-inch 9mm 1:10 Freefloat KeyMod Handguard

The Davidson Defense Warden Duty is an AR-9 upper build kit chambered in 9mm with a 16-inch barrel. The kit includes the upper receiver, barrel, handguard, and 9mm A2 birdcage flash hider. The 15-inch Trinity Force ECHO KeyMod freefloat handguard gives the forend a full-length accessory platform. A BCG and charging handle are not included.

Key Features

• 16-inch 4150 Chrome Moly Vanadium steel barrel
• Nitride barrel finish
• 1:10 twist rate
• 1-in-2x36 thread pitch
• 7075-T6 aluminum upper receiver, anodized finish
• 15-inch Trinity Force ECHO KeyMod freefloat handguard in aluminum
• 9mm A2 birdcage flash hider with manganese phosphate finish, 1-in-2x36 thread pitch

Perfect For

• AR-9 rifle builders sourcing an upper build kit in 9mm
• Builders pairing a 16-inch AR-9 upper with their own BCG and charging handle
• Shooters running a freefloat KeyMod handguard on an AR-9 build
• Builders completing a lightweight AR-9 upper assembly

Barrel and Upper Receiver

The 16-inch barrel is 4150 Chrome Moly Vanadium steel with a nitride finish and a 1:10 twist rate. The muzzle is threaded at 1-in-2x36 and pairs with the included 9mm A2 birdcage flash hider in manganese phosphate finish. The upper receiver is 7075-T6 aluminum with an anodized finish, serving as the core front end structure for the AR-9 build. The 9mm configuration requires a 9mm bolt carrier group, which is not included with this upper build kit.

Handguard

The 15-inch Trinity Force ECHO KeyMod freefloat handguard is aluminum in black, providing a clean forend with KeyMod accessory slots for lights, grips, and other attachments across the full handguard length. The handguard extends beyond the 16-inch barrel length, with the muzzle device providing the necessary clearance past the handguard.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included.