The MRD model is the natural evolution of the FN 502 platform, allowing users to add a red dot, and make the most of the exceptional trigger. The hammer-fired FN 502 performs like a robust-style target pistol, delivering fast, accurate rounds on target. It features superior ergonomics inspired by the grip profile of the FN 509 family of pistols and delivers balance between slide and frame along with fully ambidextrous controls. The FN 502 MRD Low-Profile Optics-Mounting System. Compatible with multiple micro red dot optics, users are able to swap out the MRD insert plates with integrated sights depending on their optic of choice, and be ready for a fun-filled range day within minutes. Due to its similarity in muzzle and trigger guard dimensions to the FN 509, the FN 502 MRD will fit in most FN 509 holsters. Includes two 10rd flush-fit magazines and adapters and screws for the direct-mounting of most major optics footprints.