This Diamondback DB15 runs the .300 AAC Blackout cartridge and is a straightforward, American-made AR platform. It’ll work well for those wanting a versatile rifle for hunting, target shooting, or home protection here in Tennessee.
Diamondback DB15 Features
The DB15 is built with a gas-impingement system and CNC-machined parts. This model has a 16″ 4140 chrome-moly barrel with a black nitride finish and a carbine length gas system. You’ll find a forged 7075-T6 aluminum lower receiver and an A3 flattop upper – no sights included, so you can mount what you like. It’s finished with a black hardcoat anodized finish.
Diamondback DB15 Specifications
- Caliber: .300 AAC Blackout
- Model: DB15
- Stock Finish: Black
- Action: Semi-Auto
- Sights: None (Optic Ready)
- Capacity: 30+1 rounds
- Muzzle: A2 Flash Hider
- Magazine Type: AR-15
- Grips: Magpul MOE
- Handguards: 12″ M-LOK
- Overall Length: 32.50″ – 35.75″
- Barrel Length: 16″
- Barrel Twist: 1:8″
- Weight: 6.56 lbs
Includes a Magpul MOE Carbine stock and grip, plus a Diamondback 12″ M-Lok handguard.
FFL Transfers: We handle FFL transfers for customers within Tennessee. If you are purchasing a rifle and having it shipped to a Tennessee address, it must ship to a licensed FFL dealer. We are happy to work with your local dealer to ensure a smooth transfer. We also offer in-store pickup for Tennessee residents.





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