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

Davidson Defense Swarmfall with Magpul BTR 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 7075-T6 anodized aluminum upper receiver with M4 feed ramps. The kit also includes a nitride-finished bolt carrier group, an AR-15 style charging handle, a Magpul BTR polymer brace, a buffer tube, buffer, recoil spring, castle nut, end plate, lower parts kit, and a 1/2x28 threaded muzzle device. 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 7075-T6 anodized aluminum upper receiver with M4 feed ramps
• Nitride-finished bolt carrier group
• AR-15 style charging handle included
• Magpul BTR polymer brace
• 1/2x28 threaded muzzle device included
• Buffer tube, 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 Magpul BTR 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 with M4 feed ramp upper receiver

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 is constructed from 7075-T6 aluminum with 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 nitride-finished bolt carrier group and AR-15 style charging handle are both specified inclusions in this full build kit. A 1/2x28 threaded muzzle device is also a specified inclusion in this configuration.

Magpul BTR Brace and Buffer Components

The Magpul BTR brace is constructed from polymer and is an included component in this full build kit. A buffer tube is also included alongside the Magpul BTR 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.