FN 509® Fullsize MRD

Specs

• Caliber: 9mm
• Operation: Double-action, striker-fired
• Mag Capacity: 17 Rd.
• Weight: 27 oz.
• Barrel Length: 4.5"
• Overall Length: 7.9"
• Twist Rate: 1:10" RH
• Height: 5.56"
• Width: 1.35"
• Trigger Pull: 4.5 lb. -6.0 lb.
• Sight Radius: 6.3"

Primary Features

FN Low Profile Optics Mounting System™ with plate adapters for direct mounting of most major pistol red dot optics

All-black, co-witness iron sights

SLIDE

Fullsize slide with longer sight radius

Aggressive slide serrations for positive manipulation

External extractor, loaded chamber visual indicator

BARREL

Cold hammer-forged stainless steel

Recessed target crown

Polished chamber and feed ramp

FRAME

Enhanced grip texture 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

MAGAZINE

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

SHIPS WITH

Three interchangeable backstraps

Two 17-round magazines or Two 10-round magazines

Four MRD mounting plates

Owner’s manual

Locking device

FN logo case