Description

The Diamondback Firearms DB15 SBR is a short-barreled, semi-automatic rifle configured for NFA-regulated use and chambered for .223 REM/5.56 NATO. It pairs a 10-inch threaded barrel with a 9-inch V3 M-LOK handguard and Magpul furniture for a compact, modular platform. Key components include a forged 7075 T-6 receiver, a superlative adjustable gas block, and a SilencerCo ASR muzzle brake with 1/2×28 threads.

Key Specifications

• Chambered for .223 REM/5.56 NATO.
• The barrel measures 10 inches.
• Equipped with a 9-inch V3 M-LOK handguard.
• Barrel twist rate is 1-in-8 (1:8, right-hand).
• Built on a forged 7075 T-6 aluminum receiver.
• Operates as a semi-automatic action.
• Features a 1/2×28 thread pattern on the muzzle device.
• Includes one Magpul PMAG, 30 rounds.
• Includes superlative adjustable gas block and SilencerCo ASR muzzle brake.
• Finished in matte black.

This DB15 SBR blends compact ergonomics and widely used components for a straightforward, modular short-barrel configuration. With Magpul furniture and a familiar AR-style layout, it suits users who prioritize compact handling and parts compatibility in NFA-compliant builds. The included 30-round PMAG and adjustable gas system provide practical utility for range and duty-type applications.