Diamondback DB15 6.5 Grendel 18 in M-LOK FDE

The Diamondback DB15 is a modern AR-platform rifle chambered in 6.5mm Grendel, built around an 18 in medium-profile 4150 chrome-moly barrel and mid-length gas system. It uses forged 7075-T6 aluminum receivers and a shot-peened Mil-Spec 8620 bolt carrier for durability and consistent function. The rifle ships in a Flat Dark Earth finish and is fitted with a 15 in M-LOK V-Rail, Magpul MOE-K2 grip and Magpul CTR stock. This configuration is suited for informed shooters seeking a capable, adaptable modern sporting rifle for range work, hunting, and precision-oriented applications.

Key Specifications

• Chambered in 6.5mm Grendel.
• The barrel measures 18 in and is a medium-profile 4150 chrome-moly design.
• The barrel features a 1:8 RH rate of twist.
• Gas system is a Mid-Length configuration.
• Bolt carrier is a shot-peened Mil-Spec 8620 carrier with magnetic particle inspection.
• Receivers are forged 7075-T6 aluminum.
• The handguard is a 15 in M-LOK V-Rail with anti-slip texture pads.
• The stock is a Magpul CTR and the grip is a Magpul MOE-K2.
• Muzzle device threads are 5/8×24, fitted with a Diamondback CNC DBSB-IV flash hider.
• Action type is Semi-Auto.

The DB15 combines common, service-proven components with a longer-barrel platform to deliver practical accuracy and modularity. Its M-LOK fore-end and Magpul furniture support accessory mounting and ergonomic control for a range of shooting tasks, while the forged receiver set and inspected bolt carrier prioritize durability and serviceability. For shooters who value a straightforward, configurable AR platform in 6.5 Grendel, the DB15 is a factory-built option that balances capability and compatibility.