You want a rifle that performs, and that’s what the Diamondback DB15 in .300 Blackout delivers. This isn’t about fancy features; it’s about a dependable rifle for practical uses. A lot of folks around here use .300 Blackout for hog hunting, it does well at closer ranges, and it’s effective for home defense where overpenetration is a concern. Of course, it works great for getting in some time at the range too.
What You Get With the Diamondback DB15
This DB15 comes with a 16-inch carbine-length barrel made from 4150 CrMov steel with a black nitride finish – it’s built to last. The upper and lower receivers are both machined from 7075 T-6 aluminum, a common standard for AR-style rifles. It’s set up with a 15-inch M-Lok handguard, giving you plenty of space for accessories. It includes a standard trigger, a Magpul MOE grip, and a 6-position adjustable stock.
Diamondback DB15 Specs:
- Brand: Diamondback
- Platform: AR-15 Style
- Caliber: .300 AAC Blackout
- Model: DB15
- Stock Finish: Black
- Action: Semi-Automatic
- Barrel Length: 16 inches
- Sights: Optic Ready (no sights included)
- Capacity: 30 rounds
- Muzzle Device: A2 Flash Hider
- Magazine Type: AR-15 / .300 Blackout
- Grips: Magpul MOE
- Handguards: 15-inch M-LOK
- Receiver Material: 7075-T6 Aluminum
- Stock: 6-Position Adjustable
- Barrel Material: 4150 Chrome Moly
- Barrel Finish: Black Nitride
- Twist Rate: 1:8″
- Thread Pattern: 1/2”-28 tpi
Condition: New in Box
Manufacturer: Diamondback
Manufacturer Part Number: DB175AB001
We stock the Diamondback DB15 here in Nashville, Tennessee, so you can pick it up locally after completing the proper paperwork. We also handle FFL transfers, and can ship to other licensed dealers within Tennessee. Please contact us for details on shipping or transfer fees.





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