The Diamondback DB9 Gen4 9mm in nickel boron and black (Diamondback part no. DB0200P021) is an ultra-compact carry pistol with a nickel boron coated 416 stainless slide on a black polymer frame. It has a 3.1-inch stainless barrel with a 1:10 twist, a double-action-only trigger and a 6+1 capacity. At 13.4 ounces and 5.73 inches long, it is built to disappear in a pocket or inside the waistband. It is aimed at everyday carry for shooters who want a slim 9mm.

Key Specifications

• The chambering is 9mm Luger, the most common handgun cartridge.
• The barrel is 3.1 inches of 410 stainless steel with a 1:10 right-hand twist.
• Capacity is 6+1 rounds, six in the magazine plus one in the chamber.
• The slide is 416 stainless steel with a nickel boron finish, which gives a smooth, wear-resistant surface.
• The frame is black polymer, which keeps the pistol light.
• The action is double action only with a short-reset trigger and a pull of about 5.5 pounds.
• Weight is 13.4 ounces unloaded, light enough for pocket carry.
• Overall length is 5.73 inches, with a width of 0.90 inches and a height of 4.51 inches with the extended magazine.
• The sight radius is 4.51 inches, which keeps aiming precise on a small slide.
• The recoil system is all steel and captured, built from steel rather than polymer.

Frequently Asked Questions

What is the capacity of the DB9 Gen4? It holds six rounds in the magazine plus one in the chamber, for 6+1.

What is the slide finish on this model? The slide is 416 stainless steel with a nickel boron finish, set on a black polymer frame.

Is the DB9 a double-action-only pistol? Yes. It has a double-action-only trigger with a short reset and a pull of about 5.5 pounds.

Buy the Diamondback DB9 Gen4 9mm with Nickel Boron Slide

The DB9 Gen4 keeps a 9mm carry pistol small and light, and the nickel boron slide gives this one a clean look. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and browse more semi-auto handguns while you are here.