Diamondback DB15 Pistol .300 Blackout 30rd Magazine(1) 10″ Barrel 9″ M-LOK Rail Black
$598.68
The Diamondback DB15 Pistol in .300 Blackout features a compact 10″ barrel and a lightweight design, making it ideal for close-quarters situations while delivering exceptional maneuverability. This AR-style pistol comes equipped with a 30-round magazine and a 9″ M-LOK rail for versatile accessory mounting.
13 in stock
Built for speed control and confidence the Diamondback DB15 AR Pistols are engineered for superior handling in close-quarters environments. With their compact design and lightweight construction these pistols deliver exceptional maneuverability without compromising performance. Every DB15 is designed and manufactured in the USA. Whether you’re a first-time buyer or a seasoned shooter a DB15 AR Pistol delivers serious performance in a pistol format
Features:
- Finish: Black Hardcoat Anodize
- Caliber: .300 ACC Blackout
- Barrel: DB Barrels 10 in 1:8 RH Heavy 4150 CrMov Black Nitride
- Gas System: Pistol Length
- BCG: Shot-Peened Magnetic Particle Inspected Mil Spec 8620 Carrier
- Upper: A3 Flattop Forged 7075 T-6 Aluminum
- Lower: Forged 7075 T-6 Aluminum [Diamondback Carbon Lower]
- Handguard: 9 in M-LOK Rail
- Grip: Magpul MOE Grip
- Brace: Buffer Tube Foam Pad
- Magazine: Magpul Gen M3 PMAG 30 Round
- Sights: None
- Muzzle Device: A2 Flash Hider (5/8 x 24)
- Trigger: Standard Mil-Spec
- Weight: 5.4 lbs
- Length (Collapsed / Extended): 29 in
| Weight | 6.800 lbs |
|---|---|
| Dimensions | 31.500 × 9.000 × 3.750 in |
| Manufacturer | Diamondback |
| Caliber | .300 Blackout |
| Barrel Length | 10.0 |
| Capacity | 30+1 |
| Action | Semi-automatic |
| Finish | Black |
| Frame Material | Aluminum |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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