Diamondback DB15 Obsidian Pistol .300 AAC Blackout

The Diamondback Firearms DB15 Obsidian Pistol in .300 AAC Blackout is a compact AR-style pistol built for short-range precision and utility on the range. Its configuration suits target work and compact-platform applications where maneuverability is important.

Constructed on forged 7075 T-6 aluminum upper and lower receivers with a matte black anodized finish, this platform pairs AR-pattern ergonomics with modern accessories. It includes a 9-inch M-LOK anti-rotation rail, Magpul MOE K2+ grip, SB Tactical SBA5 brace, and ships with a 30-round Magpul PMAG and Obsidian muzzle brake threaded to 5/8x24.

Key Specifications

• The action is Semi-Auto.
• The caliber is .300 AAC Blackout.
• The capacity is 30 + 1.
• The receiver construction is Forged 7075 T-6 Aluminum.
• The finish is Matte Black Anodized.
• The handguard is a 9-inch M-LOK anti-rotation V4 S-Rail.
• The brace is a SB Tactical SBA5.
• The package includes 1 Magpul Gen M2 PMAG 30 Round magazine.
• The muzzle thread pattern is 5/8x24.
• The sights are listed as None.

This listing does not include a state restrictions note.

For a compact .300 AAC Blackout option with modern ergonomics and accessory-ready mounting, buy the Diamondback Firearms DB15 Obsidian Pistol .300 AAC Blackout online today.