The Diamondback Carbon DB10 is a semi-automatic .308 Win (7.62x51 NATO) rifle with a 16-inch barrel, finished in Jesse James Civil Defense Blue Cerakote. The receiver is forged 7075 T6 aluminum, and the rifle weighs 7 lbs. 15 oz. — reasonable for a .308-caliber AR-10 platform with a 16-inch barrel. 
 

Key Specifications 

• Model: Carbon DB10 
• Action: Semi-Automatic 
• Caliber: .308 Win (7.62x51 NATO) 
• Barrel Length: 16 inches 
• Capacity: 20+1 rounds 
• Weight: 7 lbs. 15 oz. 
• Finish: Jesse James Civil Defense Blue 
   

Features 

 
The 15-inch M-LOK handguard gives plenty of rail space for lights, grips, or a bipod without adding the weight of a full-length Picatinny rail. The barrel threads 5/8x24, the standard pattern for .308 muzzle devices and suppressors. The Magpul MOE carbine stock has an adjustable length of pull with multiple positions, useful for shooting with or without body armor or heavier layers. 
 
The forged 7075 T6 receivers are the same material you see on quality AR-pattern rifles and provide good strength-to-weight ratio. The Blue Cerakote finish on this model is a notable cosmetic choice — it's not a typical off-the-shelf color, which makes it distinctive.

The Diamondback Carbon DB10 draws mostly positive feedback with some cautionary notes on quality control.

The lightweight build for a .308 platform is the most consistently praised aspect — hunters and shooters who carry rifles for extended periods specifically call this out. Accuracy at range gets positive marks from most owners, with consistent groupings reported during range sessions.

Ergonomics are well-regarded. The adjustable stock and the M-LOK handguard's customization potential come up favorably among buyers who like to configure their rifles for specific uses.

The Blue Elite finish is polarizing in the way any non-standard color would be — buyers who wanted it are happy, and it's distinctive enough to be a purchase driver for some. Pricing discussions place it as competitive for a semi-auto .308 with these features, though some buyers feel quality control issues affect the value proposition.

Quality control is the most consistent criticism. Several buyers have reported minor defects or assembly issues on arrival and recommend a thorough inspection before taking the rifle to the range. Customer service experiences vary, with some owners reporting smooth warranty service and others noting frustrating delays.

Aftermarket support for the AR-10 platform generally is discussed positively — the DB10 takes standard .308 AR accessories, which keeps customization options open.