Upgrade your EDC with the FN 509® Midsize. This ideal combination of a four-inch slide and barrel with a midsize frame retains full-sized pistol performance in an easily-concealed package. The 9mm pistol ships standard with 15-round capacity and is compatible with all FN 509 magazines with use of a sleeve. The improved controls aid in manipulation, the new improved texturing on the two included backstraps provides better recoil management and a new, flatter faced trigger allows for more controllable trigger press and cleaner break.

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

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FN 509® Midsize

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