FN 502 Tactical 22 LR (part number 66101010) is a hammer-fired, single-action rimfire pistol with a 4.60 inch threaded barrel, 10 and 15 round magazines, and an optics-ready serrated slide, built for training, range use, and low-cost practice that mirrors full-size defensive pistols. This FN 502 Tactical 22 LR 66101010 pairs a black steel threaded barrel with a black optic-ready slide and textured polymer frame with Picatinny rail to deliver modern features and ambidextrous controls in a lightweight package.
Key Features
- Manufacturer part number: 66101010
- Caliber: 22 LR
- Capacity: 10+1 and 15+1 rounds
- Action: single action only, hammer-fired
- Barrel length: 4.60 inch black steel threaded barrel
- Thread pattern: 1/2x28 with thread protector
- Slide: black serrated, optics-ready slide
- Frame: polymer frame with integral Picatinny accessory rail
- Grip: black textured polymer grip
- Overall length: approximately 7.6 inches
- Height: approximately 5.8 inches
- Width: approximately 1.4 inches
- Magazine type: detachable box magazines (10 and 15 round)
- Controls: ambidextrous controls including safety and slide stop
Special Features
- Optics-ready slide accepts popular micro red dot footprints using FN’s low-profile mounting system, allowing co-witness with tall sights on the FN 502 Tactical 22 LR (part number 66101010).
- Suppressor-ready threaded barrel supports rimfire suppressors and compensators for quiet training or specialized use.
- Ergonomic grip frame and control layout are inspired by FN’s centerfire tactical pistols, giving a familiar feel for shooters who also run FN 509-style pistols.
- Ambidextrous controls make the FN 502 Tactical well suited for both right- and left-handed shooters and for off-hand training.
- Integral Picatinny rail on the frame provides mounting space for lights or lasers to mirror defensive setups.
Practical Benefits
- A strong rimfire choice for inexpensive practice, new shooter training, and high-round-count range sessions that mimic full-size defensive handgun handling.
- Optics-ready, suppressor-ready configuration lets shooters build a dedicated 22 LR training pistol that closely matches their duty or carry gun.
- Included 10 and 15 round magazines give flexibility for bench work, drills, and range rules while maximizing time between reloads.
- Light rimfire operation and modern ergonomics help build confidence and fundamentals for youth, new shooters, and experienced handgun owners alike.
The FN 502 Tactical 22 LR (part number 66101010) is a practical choice and confidence building option for range training, suppressed rimfire fun, and skill development with an optics-ready, ambidextrous tactical-style 22 pistol.
| MANUFACTURER | UMAREX |
| MODEL | 502 |
| CALIBER | 22 LR |
| TYPE | PISTOL |
| IMPORTER | FN AMERICA |



