Davidson Defense Iron Scale 10.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Upper Build Kit

Iron Scale 10.5-inch 1:10 9mm AR-9 Freefloat M-LOK Pistol Upper Build Kit

The Iron Scale is a 9mm AR-9 Upper Build Kit built around a compact 10.5-inch direct blowback platform. The kit centers on a 10.5-inch medium profile 4150 CrMoV steel barrel with a nitride finish, 1:10 twist rate, and 1/2x36 thread pitch, paired with a 9mm A2 birdcage flash hider and a black 1/2-inch crush washer. The AR-15 billet upper receiver for pistol calibers in black is paired with a 7-inch freefloat M-LOK handguard in black. BCG and charging handle are not included.

Key Features

• 10.5-inch medium profile 4150 CrMoV steel barrel, nitride finish, 1:10 twist, 1/2x36 thread pitch, 9mm
• Direct blowback platform
• 9mm A2 birdcage flash hider, 1/2x36, black 1/2-inch crush washer included
• AR-15 billet upper receiver for pistol calibers, black
• 7-inch freefloat M-LOK handguard, black
• BCG and charging handle not included

Perfect For

• AR-9 pistol builders sourcing a compact 9mm upper build kit with an AR-15 billet upper receiver for pistol calibers, 10.5-inch nitride 4150 CrMoV barrel, and 7-inch freefloat M-LOK handguard, pairing it with their own AR-9 bolt carrier group and charging handle
• Shooters building a compact 10.5-inch 9mm direct blowback AR-9 pistol platform who prefer to select their own BCG while having the nitride 4150 CrMoV barrel, billet pistol caliber upper receiver, and freefloat M-LOK handguard covered in one kit
• AR-9 PCC pistol builders who want a 9mm upper build kit with an AR-15 billet upper receiver for pistol calibers and a 7-inch freefloat M-LOK handguard without sourcing components separately

Barrel and Muzzle Device

The 10.5-inch medium profile barrel is chambered in 9mm and constructed from 4150 CrMoV steel with a nitride finish. The twist rate is 1:10 and the thread pitch is 1/2x36, which matches the included 9mm A2 birdcage flash hider. A black 1/2-inch crush washer is included. The direct blowback platform design addresses the 9mm cartridge in an AR-9 pistol caliber build without a gas system.

Upper Receiver and Handguard

The AR-15 billet upper receiver for pistol calibers carries a black finish and is designed around the AR-9 pistol caliber platform. The 7-inch freefloat M-LOK handguard is black with M-LOK attachment points along the body for accessory mounting. These two components define the exterior structure of the upper assembly on this AR-9 pistol platform.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included. Verify compatibility with your specific 9mm AR-9 lower receiver and magazine pattern before use.