Diamondback Firearms DB15 SBR 10" .300 Blackout Black SBR

The Diamondback Firearms DB15 SBR in .300 Blackout is built on an AR-style platform with a 10-inch barrel and a pistol-length gas system. It includes a threaded muzzle setup with a SilencerCo ASR compatible 5/8x24 muzzle brake, plus an adjustable gas block for reliable tuning. Finished in black anodized components with a Magpul DT carbine stock, this SBR is configured for practical use with a factory iron-sight setup.

Key features

• .300 Blackout chambering with a 10-inch barrel for compact SBR handling
• Threaded 5/8x24 muzzle system for compatibility with suppressors or QD-style mounting
• Pistol-length gas system and adjustable gas block for improved reliability and tuning
• Black anodized finish with Magpul DT carbine stock
• Semi-automatic AR-style operation with a 30+1 capacity

If you’re looking for a compact .300 Blackout SBR on a familiar AR platform, the Diamondback DB15 SBR is a solid choice—ready for range use and compatible with common accessories.