FN 509® Midsize

Specs

• Caliber: 9mm
• Operation: Double-action
• Mag Capacity: 10 or 15 Rd.
• Weight: 26.5 oz.
• Barrel Length: 4.0"
• Overall Length: 7.4"
• Twist Rate: 1:10" RH
• Height: 5.2"
• Width: 1.35"
• Trigger Pull: 5.5 - 7.7 lb.
• Sight Radius: 5.79"

Primary Features

Full-sized performance in a concealed carry package

Striker-fired autoloader

Double-action operation

Fully ambidextrous controls

Offered as a non-manual safety model

Fixed 3-dot luminescent sights (standard)

Fixed 3-dot green tritium night sight available (LE ONLY)

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 rails

Enhanced grip textures which enables faster follow-up shots in all conditions

Interchangeable backstraps

MIL-STD-1913 accessory mounting rail

Improved flatter face trigger

OPERATING CONTROLS

Fully ambidextrous slide stop lever and magazine release

MAGAZINE

High visibility, low-friction follower; polymer base with black finish

Compatible with FN 509 17-round and 24-round
magazines with appropriate magazine sleeves

SHIPS WITH

Two interchangeable backstraps

Two 15-round magazines or Two 10-round

Owner’s manual

Locking device

FN logo soft pistol case