Description
Engineered for those who demand reliability in compact form, the Diamondback DB15 AR-15 pistol combines tactical precision with everyday carry versatility. Built to perform in harsh conditions, this firearm stands up to Arizona’s rugged terrain while maintaining the functionality serious shooters require.
Key specifications that define this DB15 pistol:
- Manufacturer: Diamondback Firearms
- Model: DB15PDPS7B
- Caliber: 5.56 NATO
- Barrel Length: 7″
- Twist Rate: 1:8
- Overall Length: 32.7″
- Finish: Black
- Grips: Black
- Sights: MBUS Folding Pro-Sights
- Magazine Capacity: 30-Rounds
- Additional Features: Gearhead Works Tailhook Mod2 Brace
The 4150 ChromeMoly barrel with KAK flash can provides durability and effective muzzle control, while the pistol-length gas system ensures reliable cycling. Shot-peened Mil-Spec 8620 bolt carrier and 7075-T6 receivers deliver the rugged construction needed for extended use. The 9″ M-Lok handguard offers modular attachment options for lights, grips, and other accessories essential for tactical applications.
Magpul MOE-K2+ grip enhances control during rapid fire, and the Gearhead Works Tailhook Mod2 brace provides stable shouldering without compromising the pistol configuration. MBUS folding sights offer quick target acquisition while maintaining a low profile when stowed. This combination makes the DB15 equally effective for home defense, vehicle deployment, or concealed carry scenarios where space is limited but performance cannot be compromised.
Arizona residents in Phoenix and surrounding areas appreciate how this firearm’s compact dimensions complement urban and desert carry requirements. The included 30-round magazine, cable lock, and owner’s manual ensure you’re ready to operate immediately upon transfer through your local FFL.





Samantha T. (verified owner) –
Used this for multiple range trips over the past month. The pistol handled well, and the 5.56mm caliber gave me the power I wanted in a compact package. The only thing keeping it from 5 stars is it’s slightly picky with some steel-case ammo. Otherwise, it’s been reliable for Arizona shooting conditions.
Vanessa K. –
The DB15 performed flawlessly during my range session at Ben Avery. The 5.56mm recoil was manageable, and the Gearhead Works brace felt solid. My only nitpick is the trigger pull felt a bit heavy compared to my other AR. Still, it’s a reliable firearm for Arizona shooting.
Diego R. (verified owner) –
Took this out to the desert near Tucson and put 200 rounds through it. The 5.56mm cycled perfectly even with cheaper ammo, and the Tailhook brace made it comfortable to shoot from standing positions. Accuracy was impressive at 50 yards with iron sights. Tucson Arms had it ready for pickup same day.
Nate P. (verified owner) –
After testing several AR pistols, this Diamondback stood out. The Tailhook Mod2 brace provided excellent stability, and the 5.56mm grouping at 25 yards was tight. Fit and finish exceeded expectations for the price. Mesa’s heat didn’t affect performance during my extended range visit.