Diamondback Firearms DB15 5.56 NATO

Designed as a compact AR-style pistol for range training and tactical applications, the Diamondback DB15 delivers controllable handling in a short-barrel package. Its configuration supports modular optics and accessory mounting for versatile range use.

The DB15 pairs a 10-inch 4150 chrome-moly barrel with forged 7075-T6 aluminum receivers for a durable yet lightweight build. Ergonomics include a Magpul MOE grip and a foam-pad buffer tube for user comfort, while a free-float M-LOK handguard provides accessory mounting options.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 10 inches.
• The rate of twist is 1-in-8.
• The bolt carrier group is shot-peened, magnetic particle inspected Mil-Spec 8620.
• The upper is A3 flattop forged 7075 T-6 aluminum.
• The lower is forged 7075 T-6 aluminum.
• The handguard is a 9 inch M-LOK free-float rail.
• The grip is a Magpul MOE grip.
• The magazine supplied is a 30-round Magpul PMAG.
• The unloaded weight is 5.40 lbs.

Optic-ready and configured for modular accessory mounting, the DB15 emphasizes maneuverability and practical 5.56 NATO performance for range and training environments. The DB15 is a purpose-built AR-style pistol option from Diamondback Firearms that balances compact dimensions with proven component choices.