FN 509®

Striker-fired autoloader, Double-action operation, Offered as a non-manual safety model, Fixed 3-dot luminescent sights (standard), Fixed 3-dot green tritium night sight available (LE ONLY), Easily racked, combat-style sights, External extractor; loaded chamber indicator, Improved front and rear cocking serrations, Cold hammer-forged stainless steel, Recessed target crown, Polished chamber and feed ramp, Polymer construction with replaceable steel frame/slide rails, Enhanced grip textures which enables faster follow-up shots in all conditions, Interchangeable backstraps, MIL-STD-1913 accessory mounting rail