The Diamondback DB10 in .308 Win is a semi-automatic rifle with an 18-inch fluted stainless steel barrel and Magpul CTR adjustable stock. It's built on a 7075-T6 aluminum receiver, weighs 8.73 lbs, and ships optic-ready with no iron sights. 
 

Key Specifications 

• Model: DB10 
• Caliber: .308 Win 
• Action: Semi-Auto 
• Barrel Length: 18" 
• Overall Length: 36" - 39.25" 
• Capacity: 20+1 rounds 
• Weight: 8.73 lbs 
• Stock Description: Adjustable Magpul CTR 
• Muzzle Device: Flash Hider 
• Receiver Material: 7075-T6 Aluminum 
• Sights: Optic Ready (No Iron Sights) 
• Twist Rate: 1 in 10" 
   

Detailed Features 

• Fluted Stainless Steel Barrel: The 18-inch fluted barrel reduces weight and aids heat dissipation during extended firing. The 1-in-10" twist stabilizes standard .308 Win projectile weights. 
   
• 7075-T6 Aluminum Receiver: Upper and lower machined from 7075-T6 aluminum — the same alloy spec used across most quality AR-platform builds. 
   
• Adjustable Magpul CTR Stock: The Magpul CTR has a friction-lock mechanism that eliminates stock wobble and adjusts length of pull across multiple positions. 
   
• Optic Ready: No iron sights included; the rifle accepts a standard scope mount or red dot directly. 
   
• Flash Hider: Standard flash hider at the muzzle. 
   
  At 18 inches, this is the shorter of the two common DB10 barrel lengths. The 18-inch .308 gives up some muzzle velocity versus a 20-inch, but keeps the overall length more compact. The 8.73-lb weight is manageable for bench shooting but heavier than most hunting configurations.

Owners of the Diamondback DB10 in .308 Win discuss a few consistent themes.

The overall build quality and value at the price point come up often. Most buyers find the DB10 delivers solid .308 performance for less than higher-tier platforms, and the Magpul CTR stock is appreciated as a meaningful upgrade over basic adjustable stocks. Accuracy reports are generally positive for supported shooting at practical ranges.

On the critical side, feeding issues with certain ammunition types are mentioned by a portion of owners — the DB10 in .308 seems to be more selective about ammo than some competing platforms. These issues tend to resolve with specific load selection. The absence of iron sights draws occasional comments from buyers who expected backup sights included.

Weight is another point of discussion — 8.73 lbs is on the heavier side even for .308 semi-autos, and some users note it's not ideal for hunting applications that require a lot of carrying. Customer service feedback on Diamondback varies notably between owners.