Diamondback Firearms DB15 Obsidian, 300 Blackout, 10.5″ Barrel, Black, 9″ Free Float M-LOK S Rail, 30 Rounds

Product Description

The Diamondback DB15 Obsidian 300 Blackout AR pistol combines versatility with reliable performance. This semi-automatic AR platform firearm features a 10.5″ barrel optimized for the potent .300 Blackout cartridge. Additionally, the DB15 Obsidian delivers the accuracy and ergonomics serious shooters demand.

Furthermore, this AR pistol ships with a 30-round magazine and includes premium components. The Magpul MOE K2 grip provides control and comfort. Moreover, the SBA5 pistol brace ensures stable shooting positions. The muzzle brake reduces recoil effectively.

Precision Optics and Rail System

The 9″ free float M-LOK S rail allows easy mounting of tactical accessories. Additionally, shooters can attach lights, lasers, or optics for customized builds. Furthermore, the anodized black finish resists corrosion and wear. The 1:8 twist rate stabilizes .300 Blackout rounds reliably.

Ideal for Sporting and Tactical Use

Whether you’re into tactical training or recreational shooting, the DB15 Obsidian performs consistently. Additionally, the .300 Blackout cartridge excels in short-barrel rifles. Furthermore, this AR pistol suits home defense scenarios and range days. In addition, compact shooters appreciate the manageable size.

Built on Proven AR Architecture

The AR platform design ensures compatibility with standard parts and upgrades. Moreover, field stripping and maintenance follow familiar procedures. Therefore, owners benefit from decades of proven reliability. Finally, the Diamondback DB15 Obsidian represents exceptional value for precision-minded shooters.

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: What .300 Blackout ammunition works best in the DB15 Obsidian?

A: The DB15 Obsidian’s 1:8 twist barrel stabilizes both supersonic and subsonic .300 Blackout rounds reliably. Additionally, popular brands include Federal, Hornady, and Wolf ammunition. We recommend testing different loads to find what shoots best in your rifle.

Q: Does the Diamondback DB15 come with a manufacturer warranty?

A: Yes, Diamondback Firearms backs every DB15 with a manufacturer warranty covering defects. Additionally, our team at Western Sport can explain full warranty details when you visit or call. We handle all warranty claims efficiently for our customers.

Q: What is the Texas FFL transfer process for AR pistols?

A: As a licensed FFL/SOT dealer, we process all transfers in compliance with federal and Texas law. Additionally, the process is straightforward and fast.

Q: Is the DB15 Obsidian best for tactical training or recreational shooting?

A: The DB15 Obsidian excels at both tactical training and recreational range use. Additionally, its compact 10.5″ barrel and ergonomic design suit multiple shooting disciplines. Furthermore, the .300 Blackout cartridge is versatile enough for various scenarios and targets.

Additional information