Diamondback DB10 Black Gold Series .308 Win. Semi-Auto Rifle — 18" Stainless Barrel, Free-Float M-LOK Handguard, Adjustable Stock
This Diamondback DB10 Black Gold Series pairs the trusted AR-10 platform with premium materials, delivering a full-size .308 Winchester rifle that balances accuracy, durability, and modularity. An 18" 416R stainless barrel, free-float V-Rail handguard, and rugged 7075-T6 receivers make this USA-built carbine ready for range days, hunting, or duty use.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: There are minor handling marks visible on the exterior surfaces. The bore remains bright and clean.
What’s Included
- Clamp-on bipod (unbranded)
- Diamondback factory cardboard shipping box
- Red cable lock in sealed bag
- Polymer Magpul PMAG LR/SR Gen M3 20-round magazine
The heart of this DB10 is its 18" medium-profile 416R stainless steel barrel with a 1:10 twist and Diamondback DBSB-IV three-prong flash hider. Threaded 5/8x24, it arrives suppressor-ready and optimized for consistent accuracy thanks to the rigid barrel steel and rifle-length gas system.
A 15" Diamondback V-Rail free-float handguard offers generous M-LOK slots, full-length Picatinny top rail, and molded anti-slip panels for confident control. The free-float design keeps accessories clear of barrel contact to preserve precision.
Both upper and lower receivers are machined from 7075-T6 aluminum, finished in a black hard-coat anodize that matches the handguard for a uniform, corrosion-resistant exterior. The lower is marked “CAL. MULTI” and accepts SR-25 pattern magazines.
The adjustable six-position polymer stock sets length of pull at 11" and tailors overall length from 36" to 39.25", while the unloaded weight stays at a manageable 8.7 lb. Standard AR controls—manual safety and magazine release—keep handling familiar.
Originally listing with a $1,406 MSRP, this DB10 Black Gold Series offers buyers a feature-rich .308 Win. rifle built in the USA, shipped with a quality Magpul PMAG and ready for customization.