The Diamondback DB15 pistol in .300 AAC Blackout (brand part no. DB1984B001) is an AR-pattern pistol built around a compact 10-inch barrel, giving shooters a maneuverable, subsonic-and-supersonic-capable platform. Diamondback ships the pistol with an included 30-round PMag and fits a thumb safety, shipping optic-ready with no fixed sights and a stabilizing brace rather than a stock, finished in black. Among semi-auto platforms, the DB15 pistol favors shooters who want the versatile .300 Blackout cartridge in an ultra-compact build.

Key Specifications

• Chambered in .300 AAC Blackout.
• Operates as a semi-automatic AR-pattern pistol.
• Features a 10-inch barrel.
• Ships with an included 30-round PMag.
• Fitted with a thumb safety.
• Ships optic-ready with no fixed sights.
• Ships with a stabilizing brace rather than a stock.
• Finished in black.
• Rifled at a 1:8 twist rate to stabilize .300 Blackout bullets across supersonic and subsonic loads.
• Fitted with a 9-inch M-LOK handguard for mounting lights, grips, or other accessories.

Frequently Asked Questions

Is this a pistol or a rifle? It’s an AR-pattern pistol, built with a 10-inch barrel and a stabilizing brace.

What magazine ships with this pistol? An included 30-round PMag.

Buy the Diamondback DB15 Pistol, .300 BLK

The versatile .300 Blackout cartridge in an ultra-compact AR-pattern pistol is exactly what the DB15 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.