FN 502 MRD 4-inch .22 LR Optic-Ready Pistol

The FN 502 MRD is a rimfire, optic-ready pistol patterned after the FN 509 that prioritizes accurate, economical range work and high-round-count training. It combines a target-grade trigger and ergonomic FN 509-inspired grip with an optics-capable slide and ambidextrous controls. The pistol is configured to provide a familiar manual-safety control layout and straightforward handling for frequent practice sessions.

Key Specifications

• Chambered in .22 LR for low-cost range training and practice.
• Action is a Single Action Only (SAO) configuration.
• Barrel length is 4 inches with a target-crowned muzzle for consistent alignment.
• Frame is constructed from black textured polymer with FN 509-inspired ergonomics.
• Barrel material is steel with a black target crown finish.
• Includes two magazines to support follow-up range sessions.
• Overall length measures 7 inches for compact handling on the range.
• Unloaded weight is 22.5 oz for manageable carry during extended use.
• Slide is optic-ready with front and rear serrations and finished in Black PVD.
• Controls are ambidextrous and the pistol is equipped with a manual safety.

Designed for dependable, cost-effective training, the FN 502 MRD pairs familiar FN ergonomics with an optics-capable slide and target-oriented details like a crowned barrel and crisp single-action trigger. Its configuration supports high-round-count practice and straightforward optic installation, making it a practical choice for shooters seeking a reliable rimfire training pistol.