FN beats everyone in creating an optics-ready slide on a 22LR platform with the FN 502 Tactical Optics Ready SAO (Single-Action Only) Semi-Auto Pistol. The FN 502 fits most 509 Tactical holsters, making it a great plinking/training counterpart to the 9mm version. The 502 Tactical comes with a threaded barrel and suppressor-height sights making it an excellent suppressor host weapon. The Tactical variant features an ambidextrous, frame-mounted thumb safety for intuitive and familiar operation. The polymer grip has multiple textures to aid in recoil mitigation with a solid grip offered to the user. Know the status of your weapon with a loaded chamber indicator. Have a blast with this hammer-fired 22LR that's ready to go out of the box. Rimfire 22LR Optics ready Single-action only Hammer fired Fits in 509 Tactical holsters Suppressor height sights 1/2x28 threaded barrel Textured polymer grip Front and rear cocking serrations Ambidextrous safety Loaded chamber indicator