Diamondback DB380 Gen IV .380 ACP FDE 2.8″ 6+1
About this product
The Diamondback DB380 Gen IV .380 ACP FDE is a subcompact, double-action-only semi-automatic pistol engineered for discreet, everyday personal defense with a 2.8-inch stainless steel barrel and 6+1 round capacity. It's built on a lightweight Flat Dark Earth polymer frame and features a corrosion-resistant 416 stainless steel slide with a black oxide finish. The pistol is sold exclusively through online channels, offering a streamlined acquisition process for qualified buyers.
What is the Diamondback DB380 Gen IV used for?
This pistol is for discreet daily carry and close-quarters defensive use where maximum concealment is the primary objective. Its diminutive size facilitates deep concealment in pockets, minimalist holsters, or on-body carry positions that larger firearms cannot occupy. The double-action-only trigger provides a consistent pull weight of approximately 5.5 pounds per shot, a deliberate design choice meant to reduce potential for a negligent discharge when drawing from concealment.
How does the Diamondback DB380 compare to the Ruger LCP Max?
The DB380 has a simpler, more robust mechanical design better suited for owners who prioritize reliability and ease of maintenance over maximum cartridge count. The DB380 uses a mechanically locked "Zero-Energy" striker system requiring no pre-cocking, compared to the LCP Max's more complex and compact striker system. While the LCP Max offers a superior 10+1 or 12+1 capacity, the DB380's 6+1 capacity and traditional sight system provide a fundamentally different, simpler operational philosophy for the shooter considering a Stevens 334 Rifle for more deliberate, long-range applications.
What does it weigh and what are the dimensions?
Unloaded, the pistol weighs 10.5 ounces and measures 5.06 inches in overall length with a 2.8-inch barrel and 1.27-inch slide width. This specific combination yields a form factor that is easy to carry for extended periods, comparable in bulk to a modern high-end smartphone. The sight radius is precisely 4.51 inches, a critical dimension directly impacting potential sight alignment speed at defensive engagement distances under 7 yards.
Who is this NOT for?
The DB380 is not for shooters seeking a high-capacity, optics-ready platform for competitive shooting or duty use. If your primary requirement is more than 7 rounds on tap without a reload, or you demand a single-action trigger for precision target work, you should examine larger-format pistols. Similarly, shooters with large or arthritic hands may struggle with the compact, smooth-frame grip profile during rapid-fire strings, a limitation not present on its long-range stablemate, the Stevens 555 Sporting O/U 12 Gauge 30in.
What's in the box?
You receive the pistol, a single six-round steel magazine with a polymer follower and baseplate, and a standard nylon pistol case with a foam insert. Contrary to some industry practices, the factory does not include a cable-style trigger lock, spare magazine, or specialty cleaning tools, focusing the value proposition purely on the firearm's mechanical package. The user is responsible for sourcing appropriate 0.80-inch-wide snap caps for initial function checking.
Is the Diamondback DB380 Gen IV worth it at $279.99?
Yes, for the buyer who understands and accepts the trade-offs of a low-capacity, double-action-only subcompact carry pistol. The price point is justified by the use of 410 and 416 stainless steel in critical wear areas and the straightforward, field-serviceable design. Compared to spending on a high-capacity wonder-nine or a specialized sporting shotgun like the Stevens 555 Sporting Compact 20ga 26, this investment secures a tool engineered for a single, specific task performed very well.
Specs at a glance
Video review
Pros & cons
What works
- Weighs 10.5 oz — 35% lighter than an alloy-frame J-frame revolver.
- Uses 410 stainless steel in the barrel and 416 in the slide for corrosion resistance.
- Short-reset DAO trigger has a consistent 5.5 lb pull weight for every shot.
- 4.51-inch sight radius provides a longer aiming plane than most pocket pistols.
Trade-offs
- Low 6+1 capacity — requires more frequent reload drills versus modern micro-nines.
- Smooth polymer grip lacks aggressive texturing, demanding a firm shooting hand.
- No accessory rail — cannot mount weapon-mounted lights or lasers without custom work.
Expert review
Key attributes
| upc | 810035753365 |
| manufacturer | Diamondback Firearms |
| manufacturer part number | DB0100E062 |
| action | Striker Fired |
| atf type | Pistol |
| barrel length | 2.80" |
| caliber/gauge | .380 ACP |
| capacity | 6 + 1 |
| length | 5.5 |
| number of magazines | 1 6 rd. |
| package height | 6.5 |
| package width | 1.5 |
| product type | Semi-Auto Pistol |
| safety | Firing Pin |
| shipping weight | 1.3 |
| sights | Real Windage-Adjustable |
| sights type | Adjustable Sights |
| slide description | Serrated |
Frequently asked questions
- Is it compatible with Glock sights?
- Yes, the slide is machined for standard Glock-style, adjustable-height rear sights with a standard front sight dovetail, allowing direct use of the aftermarket sight ecosystem developed for Glock pistols. Confirming the specific sight model’s footprint is advisable, but most Gen 1-4 compatible options will mount correctly using standard hand tools and a brass punch.
- Does it fit in a pocket holster?
- Yes, the pistol's 5.06-inch length and 1.27-inch width allow it to fit standard subcompact and micro-compact pocket holsters designed for the Ruger LCP or Kel-Tec P-3AT. Holsters from brands like Desantis and Vedder with dimensions exceeding 5.5 inches in length and 1.5 inches in width will provide secure retention and consistent trigger coverage.
- How long does shipping take?
- Orders placed before 2 PM EST typically ship via UPS or FedEx ground service the same business day for in-stock items following FFL verification, with transit times of 3-5 business days to the continental United States. You must provide your FFL dealer's contact information at checkout for the shipment to be processed and released.
- Can I return it if it doesn't fit?
- No, all firearm sales are final once the transfer is completed at your licensed dealer, per federal law and our stated policy. We recommend handling a similar model at a local retailer or renting one at a range prior to purchase to confirm fit and function with your specific hand size and defensive ammo of choice.
- Does this work with Hornady Critical Defense .380 ammo?
- Yes, the DB380 Gen IV is rated for and has been tested with modern +P and jacketed hollow point defensive ammunition, including Hornady Critical Defense and Federal Hydra-Shok. You should perform a standard 50-round function test with your chosen carry load to ensure reliable feeding and extraction in your specific pistol.