Davidson Defense Lightshow Anodized Grey 4.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Upper Build Kit

Davidson Defense Lightshow Anodized Grey 4.5-inch 1-in-10 9mm AR-9 Freefloat M-Lok Upper Build Kit

The Lightshow Anodized Grey Upper Build Kit from Davidson Defense is a 9mm AR-9 upper assembly built around a 4.5-inch medium-profile barrel. The kit includes the upper receiver, barrel, and handguard. The bolt carrier group and charging handle are not included.

Key Features

• 9mm chambering with 4.5-inch medium-profile barrel
• 4150 Chrome Moly Vanadium barrel with nitride finish and 1-in-10 twist rate
• 1-in-2x36 thread pitch with 9mm A2 Birdcage flash hider
• 7075-T6 aluminum upper receiver with anodized finish and M4 feed ramps
• 4-inch grey anodized 6061-T6 aluminum freefloat M-Lok handguard

Perfect For

• 9mm AR-9 pistol upper builds
• Builders adding a compact upper assembly to an existing lower
• 4.5-inch barrel configurations in 9mm
• Grey anodized finish builds

Barrel and Upper Receiver

The barrel runs 4.5 inches in 9mm with a 1-in-10 twist rate, medium profile, and 4150 Chrome Moly Vanadium construction with a nitride finish. The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps. Thread pitch is 1-in-2x36, and the kit includes a 9mm A2 Birdcage flash hider.

Handguard

The 4-inch freefloat M-Lok handguard is 6061-T6 aluminum with a grey anodized finish, carrying the Lightshow build aesthetic across the upper assembly. The freefloat profile provides a clean forend with M-Lok interface for accessory placement along the rail.

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