# FN 502 MRD .22 LR 4in Black

**Brand:** FN Herstal
**Category:** Semi-Automatic Handguns
**Caliber:** .22 LR

## Specifications

- **Caliber:** .22 LR
- **Barrel Length:** 4"
- **UPC:** 845737019327
- **SKU:** UCEt9uLKZ

## Description

The FN 502 MRD is a semi-automatic pistol chambered in .22 LR, built with a polymer frame and a steel slide. This example has a black finish, a 4-inch barrel, and a 10-round magazine that meets California capacity limits. The MRD designation means the slide is cut for a micro red dot optic.

### Key Specifications
- **Brand:** FN
- **Model:** 502 MRD
- **Caliber:** .22 LR
- **Barrel Length:** 4"
- **Capacity:** 10 Rounds
- **Finish:** Black
- **Material:** Polymer Frame, Steel Slide

### Detailed Features
- DA/SA trigger gives a double-action first pull followed by lighter single-action follow-up shots.
- Slide is cut for a micro red dot sight, so an optic can be mounted directly without a separate plate.
- Polymer frame keeps overall weight down while the steel slide adds durability.
- 10-round magazine is configured to meet California capacity requirements.
- 4-inch barrel balances sight radius against a compact overall package.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of rimfire pistols like the FN 502 mostly buy them for cheap, high-volume practice, and reliability with a variety of .22 LR ammunition is usually the first thing people talk about. Rimfire guns in general are pickier about ammo than centerfire pistols, so feeding it decent ammunition tends to matter more than with a 9mm.

The DA/SA trigger takes some getting used to for shooters coming from a striker-fired gun, since the first pull is noticeably heavier than the rest. The MRD slide cut is popular with owners who want to practice red dot shooting on a cheap platform before running the same setup on a duty-size centerfire pistol.

Ammunition cost is the big draw for value, letting owners rack up much more range time than a centerfire gun of similar size. Aftermarket parts and holster options for the 502 platform are still catching up compared to FN's more established centerfire lines.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $453.49 |
| Guns Com | $499.99 |

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