The Diamondback Firearms DB15 is a versatile modern sporting rifle built around a U.S. Military-proven direct gas impingement system. This OD Green Cerakote model features a 16-inch 4150 chrome moly vanadium barrel with a durable black nitride finish, a 1:8 right-hand twist, and a carbine-length gas system. Its M-LOK handguard provides flexible accessory mounting, while the six-position adjustable stock helps users configure the rifle for a comfortable fit. The flat-top receiver supports direct mounting of an optic or other aiming accessory.

Key features

• 5.56 NATO chambering also supports .223 Remington ammunition
• 16-inch 4150 chrome moly vanadium barrel with black nitride finish
• 1:8 right-hand twist accommodates a broad range of bullet weights
• Direct gas impingement action with a carbine-length gas system
• M-LOK handguard enables flexible accessory placement
• Six-position adjustable synthetic stock supports a customized length of pull

The DB15 combines practical AR-pattern features with a durable Cerakote finish for range use, training, and general sporting applications.