Davidson Defense Concord 7.5-inch 1:16 10MM AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit

Concord 7.5-inch 10mm Auto AR-15 Upper Build Kit

The Concord is built around a 7.5-inch 10mm Auto barrel with an M4 contour, paired with a 6061 aluminum pistol-caliber AR-15 billet upper receiver. It pairs a 7-inch free-float M-LOK handguard with an integrated hand stop and an A2-style birdcage flash hider at the muzzle. It runs on a blowback operating system. BCG and charging handle are not included, leaving the buyer to supply those components separately.

Key Features

• 7.5-inch 10mm Auto barrel, 1:16 twist, M4 contour
• Blowback operating system
• 6061 aluminum pistol-caliber AR-15 billet upper receiver
• 7-inch free-float M-LOK handguard with integrated hand stop
• A2-style birdcage flash hider, 10mm/.40 S&W compatible
• BCG and charging handle are not included.

Barrel and Muzzle Device

The barrel runs 7.5 inches long, chambered in 10mm Auto and built from 4150 chrome moly vanadium steel with a Parkerized finish and M4 contour. It carries a 1:16 twist rate and a 9/16x24 muzzle thread. At the muzzle sits an A2-style birdcage flash hider rated for both 10mm and .40 S&W, threaded to match the barrel's 9/16x24 pattern and secured with the included 5/8-inch black crush washer.

Upper Receiver and Handguard

The upper receiver is a 6061 aluminum billet unit built for the pistol-caliber AR-15 platform. Over the barrel sits a 7-inch free-float handguard finished in black, using an M-LOK attachment system with an integrated hand stop.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.

BCG and charging handle are not included.