Diamondback DB9 Gen4 Handgun 9mm Luger 6rd Magazine(1) 3.1″ Stainless Steel Barrel FDE Frame/Black Slide
$265.85
The Diamondback DB9 Gen4 is an ultra-lightweight 9mm Luger handgun, weighing just 13.4 oz, designed for concealed carry with its slim 0.90 in width. Featuring a short reset trigger for quick follow-up shots and a 6+1 round capacity, this reliable double-action-only pistol is built with a durable black nitride finished stainless steel slide and a 3.1 in barrel, making it a perfect choice for personal defense and everyday carry.
12 in stock
Features:
- Caliber: 9x19mm
- Trigger: Short Reset
- Weight: 13.4 oz
- Length: 5.73 in.
- Slide Material: Gun Grade 416 Stainless Steel
- Slide Finish: Black Nitride
- Barrel Material: 410 Stainless Steel
- Barrel Length: 3.1 in.
- Barrel Twist Rate: 1:10 RH
- Barrel Manufacturer: Diamondback Barrels
- Recoil System: All Steel Captured
- Sight Radius: 4.51 in.
- Distance Between Sights: 4.25 in.
- Magazine Capacity: 6+1 Rounds
- Trigger Action: Double Action Only
- Trigger Pull: 5.5 lb +/-
- Width: 0.90 in.
- Height Extended: 4.51 in.
- Height w/ Flush: 4 in.
- Frame Material: FDE Polymer
Frequently asked questions
What caliber and capacity is the Diamondback DB9 Gen4?
It is chambered in 9x19mm and has a 6+1-round capacity.
What are the barrel and slide made from?
The 3.1-inch barrel is made from 410 stainless steel. The slide is made from gun-grade 416 stainless steel with a black nitride finish.
What are the handgun’s dimensions and weight?
It weighs 13.4 oz, measures 5.73 inches long and 0.90 inches wide, and is 4 inches high with a flush magazine or 4.51 inches high when extended.
How do I receive this handgun after ordering online?
It ships to a licensed FFL dealer of your choice, where you complete the required background check and paperwork in person. Local pickup is also available at BT Gun Company in Rubicon, Wisconsin.
| Weight | 1.495 lbs |
|---|---|
| Dimensions | 11.000 × 6.750 × 1.500 in |
| Manufacturer | Diamondback |
| Barrel Length | 3.00″ |
| Capacity | 6 + 1 |
| Action | Striker Fired |
| Finish | Black |
| Overall Length | 5.60″ |
| Caliber | 9mm, 9mm Luger |
| Frame Material | Polymer |
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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