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

Davidson Defense Lightshow AR-9 Complete Upper - 4.5-inch, 9mm, Anodized Grey M-Lok Freefloat Handguard

The Davidson Defense Lightshow is a 9mm AR-9 complete upper built around a 7075-T6 aluminum upper receiver with an anodized finish and M4 feed ramps. The build includes a 4.5-inch medium profile barrel in 4150 chrome moly vanadium steel with a nitride finish, a 1:10 twist rate, and a 1/2x36 thread pitch, a freefloat M-Lok handguard in grey 6061-T6 aluminum, a 9mm A2 Birdcage flash hider at 1/2x36, a nitride-finished 8620 alloy steel 9mm bolt carrier group, and a Mil-Spec M4 charging handle.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish, M4 feed ramps
• 4.5-inch medium profile barrel, 4150 chrome moly vanadium, nitride finish
• 9mm
• 1:10 twist rate
• 1/2x36 thread pitch
• Freefloat M-Lok handguard, 6061-T6 aluminum, grey
• 9mm A2 Birdcage flash hider, 1/2x36
• 8620 alloy steel 9mm bolt carrier group, nitride finish
• Mil-Spec M4 charging handle

Perfect For

• AR-9 builders sourcing a complete 9mm upper with BCG and charging handle included in a compact 4.5-inch configuration
• Shooters pairing this complete upper with an existing AR-9 lower assembly
• Builders looking for a grey anodized freefloat M-Lok complete upper in a short 9mm pistol configuration

Barrel and Muzzle Device

The barrel is a 4.5-inch medium profile unit in 4150 chrome moly vanadium steel with a nitride finish, chambered in 9mm with a 1:10 twist rate and a 1/2x36 thread pitch. A 9mm A2 Birdcage flash hider at 1/2x36 rounds out the muzzle end of this complete upper.

Upper Receiver and Handguard

The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps, forming the structural core of the upper assembly. The freefloat M-Lok handguard is 6061-T6 aluminum in grey, surrounding the barrel without contact and providing M-Lok mounting positions for compatible accessories.

Bolt Carrier Group and Charging Handle

The included 9mm bolt carrier group is 8620 alloy steel with a nitride finish. The BCG and Mil-Spec M4 charging handle work together to cycle the action and complete the upper side component set needed to run this complete upper on a compatible AR-9 lower receiver.

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