Pocket-Sized Powerhouse: The Diamondback DB9 Gen 4

By Chris Eger

The Diamondback DB9 Gen 4 brings 6+1 rounds of 9mm parabellum to the party in a pint-sized package. (Photos: Chris Eger/Guns.com)
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We looked at Diamondback Firearms’ newest version of their micro-compact DB9 9mm pistol, the Gen 4, and compared it side-by-side with some of its contemporaries.
Recently introduced by the Cocoa, Florida-based gunmaker, the DB9 Gen 4, with a weight of just 13.4-ounces while maintaining a 3.1-inch stainless steel barrel that gives an overall length of 5.73-inches, Diamondback describes their gun as the “smallest and lightest” 9mm on the market. With a flush-fit magazine shoe installed, its height is 4-inches flat. The maximum width is 0.89-inches. We’ll take a comparative look at what that means in a minute.
The original DB9 was first introduced in 2009 and the new and much-updated Gen 4 version has a lot of improvements over the initial gun that go way past style. These include a slide lock lever, and improved trigger pull with a shorter reset, and updated grip with better ergonomics, and a rating for +P ammo. Standard features include front and rear slide serrations, a 6+1 magazine capacity, steel (not plastic) sights that are compatible with Glock

Source: Guns.com