# Diamondback DBX57 - Lightweight 5.7x28mm Semi-Auto, 20-Round Mag

**Brand:** Diamondback Firearms
**Category:** Subcompact Handguns
**Caliber:** 5.7x28mm

## Specifications

- **Caliber:** 5.7x28mm
- **Barrel Length:** 8"
- **Capacity:** 20 rounds
- **Weight:** 48 oz
- **UPC:** 810035752337
- **SKU:** UCEGBnStd

## Description

The Diamondback DBX57 is a semi-automatic pistol-format firearm chambered in 5.7x28mm with an 8-inch barrel and a 20-round magazine. At 3 lbs., it's light enough to handle for long range sessions without fatigue. The 5.7x28mm cartridge produces low recoil relative to its velocity, which keeps muzzle rise manageable and makes fast follow-up shots easier to execute accurately.

### Key Specifications
- **UPC**: 810035752337
- **Caliber**: 5.7X28MM
- **Action**: Semi-Automatic
- **Capacity**: 20 Rounds
- **Barrel Length**: 8 Inches
- **Weight**: 3 lbs.

### Features
- Semi-automatic action chambers a fresh round with each trigger pull, no manual cycling required.
- 20-round magazine capacity means fewer reloads during extended range work or training drills.
- The 5.7x28mm caliber delivers high velocity with light recoil, useful for newer shooters learning trigger control and for experienced shooters running high round counts.

## Frequently Asked Questions

**Q: What caliber is the Diamondback DBX57?**

A: The Diamondback DBX57 is chambered in 5.7x28mm.

**Q: What is the barrel length of the Diamondback DBX57?**

A: It has an 8-inch barrel.

**Q: How many rounds does the Diamondback DBX57 hold?**

A: It has a 20-round magazine capacity.

**Q: What type of firearm is the Diamondback DBX57?**

A: It is a semi-automatic pistol-format firearm.

**Q: Who makes the Diamondback DBX57?**

A: Diamondback makes the DBX57.

**Q: Where can I buy the Diamondback DBX57?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The DBX57 draws a genuinely split reaction. Owners who shoot it regularly for target practice or training tend to like it. The 5.7x28mm round is pleasant to run all day, the 20-round capacity reduces downtime, and the 3 lb. weight is easy on the wrist. Build quality generally gets positive marks; the gun feels solid in hand.

The criticisms are specific. Magazine feeding issues and compatibility problems with certain ammunition types come up more than occasionally in owner reports, not universal, but frequent enough to be worth knowing. The grip geometry draws complaints from shooters with larger hands who find the ergonomics awkward. Price-to-feature comparisons with other 5.7x28mm options also generate friction; some buyers feel the DBX57 asks a lot for what it delivers versus competing platforms.

Net sentiment: positive among those who've dialed in their ammunition choice and accepted the ergonomic tradeoffs, more mixed among those who haven't.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $775.99 |

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*Data from [GunsNation](https://gunsnation.com)*