Diamondback Firearms DB15 AR-15 5.56 NATO Semi Auto Rifle 16″ Barrel

Diamondback Firearms DB15

Today the Diamondback Firearms DB15 isn’t even a single model, but a platform in its own right — and a popular one at that. But the BD15 has been one of the top-selling firearms, according to recent data from the National Shooting Sports Foundation (NSSF) for 2020.

The rifle we are reviewing courtesy of Davidson’s since Davidson’s Exclusive is the Diamondback DB15 (Model DB15MZFDE) chambered in .223 Rem/5.56mm NATO. All of the specifications can be read down as presented by Diamondback Firearms and Davidson’s: Barrel: 16″ Medium-Contour, 4150 CrMov, Black Nitride with 1:8″ Right-Hand Twist.

So, Founded in 2009 and located in Cocoa, Florida, Diamondback Firearms was, until recently, a maker of handguns only. But now, the company makes the DB15, an AR-15-style carbine utilizing the traditional direct gas impingement system.