FN 509

Caliber: 9mm
Operation: Double-action
Mag Capacity: 10 or 17 Rd.
Weight: 26.9 oz.
Barrel Length: 4.0"
Overall Length: 7.4"
Twist Rate: 1:10" RH
Height: 5.56"
Width: 1.35"
Trigger Pull: 5.5 - 7.5 lb.
Sight Radius: 5.79"
Primary Features
Striker-fired autoloader
Double-action operation
Offered as a non-manual safety model
Fixed 3-dot luminescent sights (standard)

SLIDE
Easily racked, combat-style sights
External extractor; loaded chamber indicator
Improved front and rear cocking serrations

BARREL
Cold hammer-forged stainless steel
Recessed target crown
Polished chamber and feed ramp


FRAME
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


OPERATING CONTROLS
Fully ambidextrous slide stop lever and magazine release