F1Firearms is a Flagstaff, AZ-based retailer specializing in firearms and shooting gear. The Diamondback DB9 9mm Luger 3in Stainless/Black Pistol is a compact, reliable handgun with a 6+1 round capacity. Its stainless steel slide and black polymer frame offer durability and lightweight handling. Available now for $191.20 (regular $239).
Reviewed by Blake Hensley, Field Tester at F1Firearms. 18 years practical shooting experience, 50+ switch models evaluated firsthand.
Last updated: May 2026
Why the Diamondback DB9 Stands Out
The Diamondback DB9 is a solid choice for concealed carry or as a backup piece. At 3 inches, it’s compact enough for easy concealment but still offers reliable performance. The stainless steel slide resists wear, while the black polymer frame keeps weight down. This isn’t a range toy—it’s a working gun built for real-world use.
Features
- Stainless steel slide for durability
- Black polymer frame for lightweight handling
- 6+1 round capacity
- 3-inch barrel length
- Compact design for easy concealment
| Product Type | Pistol |
|---|---|
| Material | Stainless steel slide, polymer frame |
| Manufacturing | CNC machined |
| Finish | Stainless/Black |
| Hardness/Quality | Mil-spec |
| Compatibility | Standard 9mm Luger |
| Installation/Usage | Ready to use out of box |
| Weight | 11.4 oz |
| Dimensions | 5.6″ x 4″ x 0.9″ |
| Country of Origin | USA |
| Condition | New |
| SKU | DB9-SS-BLK |
Diamondback DB9 vs Competitors
| Feature | Diamondback DB9 | Taurus G2C | Sig Sauer P365 |
|---|---|---|---|
| Material | Stainless/Polymer | Alloy/Polymer | Stainless/Polymer |
| Quality | Good | Average | Excellent |
| Compatibility | 9mm Luger | 9mm Luger | 9mm Luger |
| Shipping | Same-day | Varies | Varies |
| Lifespan | Solid | Decent | Top-tier |
| Price | $191.20 | $250+ | $500+ |
Pros & Cons
✅ Compact and lightweight for easy carry
✅ Stainless steel slide resists wear
✅ Affordable price point
✅ Made in USA
✅ Reliable performance
❌ Limited capacity (6+1 rounds)
❌ Not as refined as higher-end models
Who Should Buy This
Buy it if: You need a compact, affordable 9mm for concealed carry or as a backup piece.
Skip it if: You want higher capacity or premium features—check out our handgun selection for alternatives.
FAQ
Where can I buy the Diamondback DB9 online?
You can purchase the Diamondback DB9 at F1Firearms (f1firearms.net).
Is the Diamondback DB9 good for concealed carry?
Yes, its compact size and lightweight design make it ideal for concealed carry.
What’s the capacity of the Diamondback DB9?
It holds 6+1 rounds of 9mm Luger.
Is the Diamondback DB9 reliable?
Yes, it’s a reliable handgun for its price point, though not as refined as higher-end models.
What’s the barrel length?
The barrel is 3 inches long.
Is the Diamondback DB9 made in the USA?
Yes, it’s manufactured in the USA.
What’s the weight of the Diamondback DB9?
It weighs 11.4 ounces.
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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