The Diamondback DB15 Pistol 7.5 is a compact AR-style pistol chambered in 5.56 NATO or .300 AAC Blackout. It is designed for those seeking a lightweight and maneuverable firearm in a pistol configuration. Here are the key features and specifications of the Diamondback DB15 Pistol 7.5:

1. Caliber: Available in 5.56 NATO or .300 AAC Blackout. The specific caliber should be confirmed for the model in question.
2. Barrel Length: The barrel length of the DB15 Pistol 7.5 is 7.5 inches. This shorter barrel length contributes to the pistol’s compactness and maneuverability.
3. Overall Length: The overall length can vary depending on the configuration, including the brace or stock attached to the rear buffer tube. Typically, it falls within the range of 22 to 25 inches.
4. Weight: The weight of the DB15 Pistol 7.5 can vary depending on the specific configuration and accessories added. Generally, it ranges from approximately 5.5 to 6.5 pounds.
5. Operating System: The DB15 Pistol 7.5 utilizes a direct impingement gas system, which is common in AR-style firearms. It relies on gas pressure to cycle the action.
6. Handguard: The pistol features a free-floating handguard, typically equipped with Picatinny or M-LOK attachment points. This allows for the mounting of accessories such as grips, lights, lasers, or other rail-mounted equipment.
7. Upper and Lower Receivers: The DB15 Pistol 7.5 typically features aluminum upper and lower receivers, following the standard AR-15 pattern. This enables compatibility with a wide range of AR-15 components and accessories.
8. Pistol Brace: The DB15 Pistol 7.5 is often equipped with a stabilizing brace instead of a traditional stock. The brace helps stabilize the pistol when shouldered, aiding in control and accuracy.
9. Magazine Capacity: Magazine capacity can vary depending on the configuration and local regulations. The standard capacity for 5.56 NATO is often 30 rounds, while .300 AAC Blackout can range from 10 to 30 rounds.
10. Sights: The DB15 Pistol 7.5 typically does not come with sights included. However, it may feature a Picatinny or M-LOK rail section on the upper receiver, allowing for the installation of various optics or iron sights.

Remember to familiarize yourself with and adhere to local laws and regulations regarding the possession, configuration, and use of AR-style pistols. For the most accurate and up-to-date information about the Diamondback DB15 Pistol 7.5, consult the manufacturer’s website or the product manual.