Description
The Diamondback DB380 Gen4 .380 ACP 2.8in Nickel Boron Slide is a micro-compact semi-automatic pistol built for everyday carry and deep concealment. It pairs a lightweight black polymer frame with a corrosion-resistant nickel boron slide finish, and uses a double-action-only trigger system with a short reset. This model ships with one 6-round magazine and holds one in the chamber for a total capacity of 6+1.
| Manufacturer | Diamondback Firearms |
|---|---|
| Model | DB380 Gen4 |
| Material | Black polymer frame, nickel boron slide (per manufacturer specs) |
| Compatibility | Diamondback DB380 Gen4 magazines and holsters |
| Finish | Nickel boron slide |
| Weight | 10.2 ounces unloaded (per manufacturer specs) |
| Condition | New |
Key Features
- Nickel Boron Slide Finish — Why it matters: This coating reduces friction for smoother cycling and resists corrosion from sweat or humidity, making it ideal for all-day carry in a pocket holster.
- Double-Action-Only Trigger — Why it matters: The consistent, short-reset pull eliminates the need for a manual safety and reduces training complexity for defensive use.
- 2.8-Inch Barrel — Why it matters: Keeps the overall length under 5 inches for pocket carry while still delivering reliable accuracy at self-defense distances (7-10 yards).
- 6+1 Round Capacity — Why it matters: Balances a slim grip width (0.9 inches) with enough on-board ammo for most civilian defensive encounters.
- Lightweight Polymer Frame — Why it matters: At just over 10 ounces empty, it won’t sag a waistband or print through a shirt pocket.
Who It’s For
This pistol is for the shooter who needs a reliable backup gun or a primary carry piece for deep concealment. It fits the pocket holster, ankle rig, or a small IWB holster. If you train with DAO triggers and want a .380 that disappears under a T-shirt, this is your rig.
Pros and Cons
- Pros: Ultra-lightweight, corrosion-proof slide, simple DAO operation, short trigger reset, budget-friendly price under $300.
- Cons: The 6-round magazine capacity is low compared to similar .380s (e.g., Ruger LCP II holds 7+1). The trigger pull weight is heavier than a striker-fired pistol, which may require practice for accurate fast shots.
Comparison
| Feature | Diamondback DB380 Gen4 | Ruger LCP II | Smith & Wesson Bodyguard 2.0 |
|---|---|---|---|
| Caliber | .380 ACP | .380 ACP | .380 ACP |
| Barrel Length | 2.8 in | 2.75 in | 2.75 in |
| Weight (unloaded) | 10.2 oz | 10.6 oz | 11.9 oz |
| Capacity | 6+1 | 7+1 | 7+1 |
| Trigger Type | DAO | Striker-fired | Striker-fired |
| Slide Finish | Nickel Boron | Blued | Stainless |
| Price | $291.08 | $349 | $379 |
FAQ
What is the difference between the DB380 Gen3 and Gen4?
The Gen4 features a nickel boron slide finish for better corrosion resistance and smoother operation, while the Gen3 had a standard blued slide. The Gen4 also has an updated trigger with a shorter reset.
Is the Diamondback DB380 Gen4 reliable for self-defense?
Yes. According to Diamondback Firearms, the Gen4 has been tested with multiple .380 defensive loads and cycles reliably. As with any micro pistol, shoot at least 200 rounds of your chosen carry ammo to confirm function.
Can I use +P ammunition in the DB380 Gen4?
No. Diamondback does not recommend +P ammunition in the DB380. Stick to standard-pressure .380 ACP loads to avoid accelerated wear and potential reliability issues.
Does the DB380 Gen4 come with a manual safety?
No. The DB380 Gen4 has a double-action-only trigger and no manual safety. This is standard for many micro .380 pistols designed for deep concealment.
Why Buy From Us
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
Browse more Semi Auto Handguns or check out Concealed Carry Gear and Firearm Parts.
Last updated: April 2026
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