Davidson Defense Ronin Competition 16-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Rifle Full Build Kit

Davidson Defense Ronin Competition 16-inch 1-in-10 9mm AR-9 Freefloat M-Lok Full Build Kit

The Ronin Competition Full Build Kit from Davidson Defense is a 9mm AR-9 rifle configuration built around a 16-inch barrel. The kit includes the upper assembly, a 9mm bolt carrier group, charging handle, stock, lower parts kit, and buffer system components. The lower receiver is not included.

Key Features

• 9mm chambering with 16-inch barrel
• 4150 Chrome Moly Vanadium barrel with nitride finish and 1-in-10 twist rate
• 1-in-2x36 thread pitch with 9mm A2 Birdcage flash hider in phosphate finish
• Black Diamond Series AR-15 slick side billet upper receiver, 6061-T6 aluminum with Type III hardcoat anodized finish
• Black 15-inch freefloat M-Lok handguard, 6061-T6 aluminum with partial Picatinny rail section
• 9mm bolt carrier group, 8620 alloy steel with nitride finish, compatible with Glock and Colt magazines, external extractor
• Mil-Spec aluminum charging handle
• Special Operations AR-15 stock, glass filled polymer, black
• Mil-Spec heavy-duty 6-position buffer tube with 5.5 oz buffer
• Standard recoil spring, phosphate steel receiver end plate, and phosphate steel castle nut included
• Lower parts kit included

Perfect For

• 9mm AR-9 rifle builds
• 16-inch rifle configurations in 9mm
• Builders completing a stripped lower receiver
• Freefloat M-Lok handguard builds with partial Picatinny top rail

Barrel and Upper Receiver

The barrel runs 16 inches in 9mm with a 1-in-10 twist rate and 4150 Chrome Moly Vanadium construction with a nitride finish. The Black Diamond Series AR-15 slick side billet upper receiver is 6061-T6 aluminum with a Type III hardcoat anodized finish. Thread pitch is 1-in-2x36, and the kit includes a 9mm A2 Birdcage flash hider in phosphate finish.

Handguard

The 15-inch freefloat M-Lok handguard is 6061-T6 aluminum with a black finish and a partial Picatinny rail section along the top for optic and accessory placement. The freefloat profile provides a clean forend with M-Lok interface for additional accessory placement along the rail.

Bolt Carrier Group and Charging Handle

The included 9mm bolt carrier group is 8620 alloy steel with a nitride finish. The bolt carrier group is compatible with Glock and Colt magazines and features an external extractor. A Mil-Spec aluminum charging handle completes the upper component set.

Stock and Buffer System

The kit includes a Special Operations AR-15 stock in glass filled polymer, a Mil-Spec heavy-duty 6-position buffer tube, a 5.5 oz buffer, a standard recoil spring, a phosphate steel receiver end plate, and a phosphate steel castle nut. A lower parts kit covers the internal lower receiver components required for lower completion. These components cover the full lower completion hardware outside the serialized receiver itself.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included.