ASK AN EXPERTDescription
- 4in Cold hammer-forged stainless steel
- Full-sized performance in a concealed carry package
- Striker-fired autoloader
- Double-action operation
- Fully ambidextrous controls
- FN Low Profile Optics Mounting System with plate adapters for direct mounting of more than 10 optics
- All-black co-witness iron sights
- Polymer construction with replaceable steel frame/slide rails
- MIL-STD-1913 accessory mounting rail
- Fully ambidextrous slide stop lever and magazine release
The FN 509 Midsize MRD 9mm 4in 15rd Semi-Automatic Pistol is a scaled down model of FN America's popular FN 509 and FN 509 Tactical. The FN 509 Midsize is chambered for 9mm and operates using a semi-automatic striker fire action. The FN 509 Midsize has been engineered by the weapons experts at FN America to offer full-size 9mm handgun performance in an easily concealable package.
Like its predecessors, the FN 509 Midsize offers full ambidextrous controls, an accessory rail, front and rear cocking serrations, and enhanced grip textures. The FN 509 Midsize is almost a half inch shorter than the standard FN 509 allowing it to be concealed more easily while still allowing for a full grip on the pistol. Despite the reduction in frame size, the FN 509 Midsize is compatible with all other FN 509 magazines including 24 round 9mm magazine for the Tactical models.
Warranty Information
| Caliber | 9mm |
| Operation | Double-action |
| Magazine Capacity | 15 Rounds |
| Weight, oz | 26.5 |
| Barrel Length, in | 4" |
| Overall Length, in | 7.4" |
| Twist Rate | 1:10" RH |
| Height, in | 5.2" |
| Width, in | 1.35" |
| Trigger Pull, lb | 5.5-7.5 |
| Sight Radius, in | 5.79" |
| 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 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 Owner's manual Locking device FN logo soft pistol case |
