Product Details

This special Diamondback Firearms DB15 rifle comes with a complete 5.56x45mm NATO upper receiver as well as a complete 300 Blackout upper, giving you the choice between these two calibers. Simply drop the complete upper of your choice onto the complete DB15 lower, and lock and load either a 223/5.56 mag, or a 300 Blackout magazine. This rifle uses the proven direct gas-impingement system and high-quality CNC machined components. Featuring a 4140 chrome moly barrel, A3 Flattop upper receiver, carbine length gas system, 12" M-LOK rail, Magpul MOE grip, A2 Flash hider muzzle, and a Magpul MOE Carbine stock. 

  • Diamondback DB15 Combo 5.56 & 300 Blackout 16" 30+1
  • TWO Complete Uppers - 5.56x45mm NATO & 300 AAC Blackout
  • Made in America
  • Magpul Furniture

If you are interested in getting into a standard 5.56 AR platform but also have an interest in the 300 Blackout cartridge, this is the perfect rifle for you! Diamondback Firearms has created this convenient product with a complete lower receiver, and two complete uppers so you can choose to use 300 Blackout or 223/5.56 whenever you wish! Complete with Magpul furniture and included PMAG, all you need to do is attach your favorite aiming solution and load your magazine, and hit the range! Suitable for use as a defensive platform, hunting carbine, or even a duty/LE rifle, order this Diamondback Firearms DB15 Upper Combo online here today!

Need any extra 223/5.56 magazines? Click here!

Looking for 300 Blackout ammo? Click here!

Looking for 223/5.56 ammo? Click here!

 

More Information

More Information
Caliber 5.56 & 300 BLK
UPC 810035755079
Condition New
Suggested Use Practice, Self Defense, Hunting / Varmint, Competition / Sport, Duty / LE / Tactical
Model DB15
Capacity 30
Handgun or Long Gun Long Gun
Action Semiautomatic
Barrel Description 4150 Chrome Moly
Color Black
Includes Two Complete Uppers: 5.56, and 300 Blackout
Manufacturer Diamondback
Muzzle A2 Flash Hider
OAL 32.50"- 35.75"
Receiver Material 7075-T6 Aluminum
Stock Description Adjustable Magpul MOE Carbine
Twist 1:8"

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