Davidson Defense Swarmfall 6-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Upper Build Kit

Davidson Defense Swarmfall 6 Inch 9mm AR-9 Freefloat M-Lok Handguard Upper Build Kit

The Davidson Defense Swarmfall Upper Build Kit includes a 6-inch 9mm medium profile barrel, a freefloat M-Lok 7075-T6 black aluminum handguard, and a Davidson Defense 7075-T6 anodized aluminum upper receiver. A 1/2x28 TPI GI birdcage flash hider is also included. This blowback-operated upper build kit is chambered in 9mm. BCG and charging handle are not included.

Key Features

• 6-inch 9mm medium profile barrel
• 4150 CrMoV steel barrel with nitride finish
• 1:10 twist rate
• 1/2x28 thread pitch
• Freefloat M-Lok 7075-T6 black aluminum handguard
• Davidson Defense 7075-T6 anodized aluminum upper receiver
• 1/2x28 TPI GI birdcage flash hider included
• BCG and charging handle not included

Perfect For

• AR-9 builders sourcing a 9mm upper build kit with a freefloat M-Lok handguard
• Builders pairing a 6-inch 9mm configuration with a separately sourced BCG and charging handle
• Custom AR-9 builds requiring a 7075-T6 aluminum M-Lok handguard configuration

6-Inch Barrel and Upper Receiver

The barrel in this kit is chambered in 9mm and features a medium profile at 6 inches in length. The barrel is constructed from 4150 CrMoV steel with a nitride finish, a 1:10 twist rate, and a 1/2x28 thread pitch. The Davidson Defense upper receiver is constructed from 7075-T6 aluminum with an anodized finish.

Freefloat M-Lok Handguard

The freefloat M-Lok handguard is constructed from 7075-T6 black aluminum and is a specified inclusion in this upper build kit. M-Lok slots along its length provide compatibility with a wide range of M-Lok accessories. The handguard is a distinct and separately identified inclusion in the Davidson Defense Swarmfall Upper Build Kit.

Muzzle Device

The included muzzle device is a GI birdcage flash hider with a 1/2x28 TPI thread pitch. It is a distinct and separately identified inclusion in this upper build kit. The 1/2x28 thread pitch also provides compatibility with a wide range of standard muzzle devices.

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