Davidson Defense Swarmfall w/Gauntlet Arms Brace 6-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit

Davidson Defense Swarmfall with Gauntlet Arms Brace 6 Inch 9mm AR-9 Freefloat M-Lok Handguard Full Build Kit

The Davidson Defense Swarmfall Full Build Kit includes a 6-inch 9mm barrel, a 4.2-inch freefloat M-Lok 7075-T6 aluminum handguard, and a Davidson Defense anodized AR-15 upper receiver with M4 feed ramps. The kit also includes a 9mm nitride-finished bolt carrier group, a mil-spec charging handle, a Gauntlet Arms polymer stabilizing brace, a heavy-duty pistol buffer tube, buffer, recoil spring, castle nut, end plate, lower parts kit, and an AR-15 birdcage flash hider. This blowback-operated kit is chambered in 9mm. Lower receiver not included.

Key Features

• 6-inch 9mm barrel
• 4150 CrMoV steel barrel with nitride finish
• 1:10 twist rate
• 4.2-inch freefloat M-Lok 7075-T6 aluminum handguard
• Davidson Defense anodized AR-15 upper receiver with M4 feed ramps
• 9mm nitride-finished bolt carrier group
• Mil-spec charging handle included
• Gauntlet Arms polymer stabilizing brace
• Heavy-duty pistol buffer tube
• AR-15 birdcage flash hider included
• Buffer, recoil spring, castle nut, and end plate included
• Lower parts kit included
• Lower receiver not included

Perfect For

• AR-9 builders sourcing a 9mm full build kit with a Gauntlet Arms brace
• Builders pairing a complete kit with a separately sourced lower receiver
• Custom AR-9 builds requiring a 4.2-inch freefloat M-Lok handguard configuration

6-Inch Barrel and Upper Receiver

The barrel in this kit is chambered in 9mm and features a 6-inch length with a 1:10 twist rate. The barrel is constructed from 4150 CrMoV steel with a nitride finish. The Davidson Defense upper receiver features an anodized finish and includes M4 feed ramps.

Freefloat M-Lok Handguard and Bolt Carrier Group

The 4.2-inch freefloat M-Lok handguard is constructed from 7075-T6 aluminum with M-Lok slots along its length, providing compatibility with a wide range of M-Lok accessories. The 9mm nitride-finished bolt carrier group and mil-spec charging handle are both specified inclusions in this full build kit. An AR-15 birdcage flash hider is also a specified inclusion in this configuration.

Gauntlet Arms Polymer Stabilizing Brace and Buffer Components

The Gauntlet Arms polymer stabilizing brace is an included component in this full build kit. A heavy-duty pistol buffer tube is also included alongside the Gauntlet Arms brace. Buffer, recoil spring, castle nut, end plate, and lower parts kit complete the component set in this configuration.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. This product is a component kit, not a complete firearm. Lower receiver not included.