The Diamondback DB15 Version 2 is a semi-automatic AR-15 chambered in 5.56x45mm NATO with a 16" chrome moly steel barrel finished in black nitride. It weighs 6.65 lbs and has an adjustable OAL from 32.50" to 36.25" via a six-position stock. The receiver is 7075-T6 aluminum. Twist rate is 1:8". 
 

Key Specifications 

• Action: Semi-Auto 
• Caliber: 5.56x45mm NATO 
• Barrel Length: 16 inches 
• Capacity: 30+1 rounds 
• Trigger: Standard Mil-Spec 
• Overall Length (OAL): Adjustable 32.50" to 36.25" 
• Weight: 6.65 lbs 
• Stock Description: Six Position Stock 
• Muzzle Device: A2 Flash Hider 
• Receiver Material: 7075-T6 Aluminum 
• Sights: Optic Ready (no iron sights included) 
• Barrel Description: Chrome Moly Steel, Black Nitride finish 
• Twist Rate: 1:8" 
   

Detailed Features 

The 7075-T6 aluminum receivers are the same alloy spec used in mil-spec AR builds. The 1:8" twist rate handles a wide range of 5.56/.223 projectile weights from 55gr to 77gr. Black nitride on the barrel improves corrosion resistance and surface hardness. The A2 flash hider is a standard mil-spec device. No iron sights are included; an optic or BUIS is needed. The six-position stock adjusts length of pull for different shooters or gear configurations. 
 

Usage Scenarios 

At 6.65 lbs, the DB15 handles well for a range day or home defense role. The optic-ready flat top upper accommodates most red dot and low-power variable optic mounting systems. The mil-spec trigger and controls work with standard AR parts if replacement or upgrade is desired.

Owners of the Diamondback DB15 Gen 2 in Burnt Bronze generally respond positively to the aesthetics and the Burnt Bronze Cerakote finish, which differentiates it visually from standard black rifles. The lightweight build is a common positive, and most owners report reliable function across a variety of ammunition.

Some experienced AR shooters note that build quality on certain internal components doesn't match higher-end manufacturers, and the mil-spec trigger gets mixed reviews from those used to upgraded triggers. Occasional malfunction reports exist in the user base, though most describe reliable cycling during normal use. The price point is considered fair for the feature set by most buyers, though some suggest spending more for better long-term durability.