The Diamondback DB15 Combo Pistol is a two-upper AR-style pistol offering short-barrel versatility for range and tactical utility use. It ships with separate complete uppers: a 7-inch upper chambered in 5.56×45 NATO and a 10-inch upper chambered in .300 AAC Blackout, letting users configure the platform for different short-range engagements and suppressed applications. The build emphasizes service-style components and modularity, with forged 7075-T6 receivers and M-LOK handguards to support modern accessories.
Key Specifications
- This firearm is a Semi-Auto AR-style pistol platform built for modular use.
- The package includes two complete uppers: a 7-inch barrel chambered in 5.56×45 NATO and a 10-inch barrel chambered in .300 AAC Blackout.
- The 5.56 upper uses a 4150 Chrome Moly medium-profile barrel with a 1:8 RH twist rate and a pistol-length gas system.
- The .300 Blackout upper features a 4140 Chrome Moly black-nitride-treated barrel with a pistol-length gas system and a free-float handguard.
- Both receivers are forged from 7075-T6 aluminum and the carrier is a shot-peened Mil-Spec 8620 bolt carrier group.
- Handguard options include M-LOK mounting, supplied as a 6-inch M-LOK handguard on one upper and a 9-inch M-LOK handguard on the other.
- The pistol ships with included magazines and a listed capacity of 30 + 1 rounds in standard configuration.
- The muzzle device on each upper is an A2 Flash Hider threaded to 1/2-28 tpi.
- The receiver group is optic-ready and the pistol is supplied without iron sights.
This DB15 Combo Pistol pairs short-barrel 5.56 and .300 Blackout uppers to give users a compact, adaptable platform for range work, close-quarters utility, and suppressed shooting configurations. The use of forged 7075-T6 receivers, service-style bolt carrier components, and M-LOK handguards keeps the build focused on durability and accessory compatibility. For owners who value a multi-role AR pistol that can be reconfigured quickly, the DB15 combo offers a straightforward, component-based approach.
Related Videos:
