Diamondback DB1921K001 DB15 Pistol Combo 5.56x45mm NATO Buffer Tube Stock

A Reliable AR-15 Pistol that can Quickly and Easily Change Between Two Popular Calibers!

Diamondback Firearms creates practical firearms that are built to last. The Diamondback Firearms DB-15 semi-automatic pistol is an excellent choice for home defense, hunting and competition. Each and every firearm is built from the ground up right here in the USA. But what is better than having one high quality AR-15? Having one-and-a-half high quality AR-15s! This 5.56 NATO semi-automatic pistol also comes with a separate complete upper assembly that’s chambered in the increasingly popular .300 Blackout caliber. You’ll be able to quickly switch from one caliber to the other with ease by simply pushing out a couple of pins and popping the other upper onto the lower. Both upper assemblies feature chrome moly barrels with black nitride finishes and M-LOK handguards which are ready for the addition of any accessories you choose to add. The lower receiver comes complete with a pistol buffer tube and a Magpul pistol grip, a favorite option among a large percentage of AR-15 owners. Take the quality of Diamondback Firearms, combine it with the versatility of an additional complete upper chambered in another popular caliber, and you’ve got a winning package that you’re sure to enjoy for years to come!

Specifications and Features

• Diamondback Firearms Item Number: DB1921K001
• Semi-Automatic AR-15 Pistol
• Direct Gas Impingement Operated
• 5.56×45 NATO (also accepts .223 Remington)
• 30 Rounds
• 7″ Chrome Moly Barrel, Black Nitride Finish
• Forged Aluminum Lower Receiver
• Forged Aluminum A3 Flattop Upper Receiver
• Optics Ready
• Free Float M-Lok Handguard
• Mil-Spec Bolt Carrier Group
• Magpul Pistol Grip
• Pistol Buffer Tube with Foam Pad
• Standard Trigger
• A2 Flash Hider
• Matte Black Finish

.300 Blackout Complete Upper Assembly Specs:

• Caliber: .300 AAC Blackout
• 10″ Chrome Moly Barrel, Black Nitride Finish
• Forged Aluminum A3 Flattop Forged Aluminum Upper Receiver
• Optics Ready
• Free Float M-Lok Handguard
• A2 Flash Hider
• Matte Black Finish