
Both the slide stop and magazine release are fully ambidextrous without the need to make a switch over to accommodate left hand use. There is a true MIL-STD-1913 accessory mounting rail on the dustcover. The Longslide has a steel frame/locking block, in conjunction with rear slide rails for the slide to run on. The frame is made of polymer, as you would expect, with two interchangeable backstraps with lanyard eyelets. I can discern two purposes for this setup: it adds the necessary length to accommodate the longer barrel and slide, and it adds weight to offset the reciprocating mass, allowing for a softer recoil impulse. The recoil spring is something special it has a 1-inch-long stainless-steel extension screwed to the carbon steel guide rod, holding the flat wire spring captive. The barrel is cold hammer-forged stainless steel with a polished chamber and feed ramp to assure reliable function with all ammunition. The slide is finished in a matte black over the stainless-steel construction. This striker-fired autoloader comes standard with drift windage-adjustable fixed 3-dot sights, external extractor, loaded chamber indicator and front and rear cocking serrations. This gun has been tested in every type of major shooting event, from high-speed IPSC/USPSA to grueling 3-gun matches to precision Bullseye and actions events, like the NRA Bianchi Cup. It carries out this task with its 5-inch barrel and slide, without any special cuts or milling to give away the performance that lies within. The FNS Longslide looks plain, but delivers performance that is on par with all of the polymer competition guns. By the way, did I mention that Browning is a subsidiary of FN? There are way too many FN guns to cover in totality. Mind you this list contains just the high points. 2017 FN revealed its 509 as a one-off, for entry for the XM17 handgun trials.2011 FN introduced its FNS line of pistols.2009 FN introduced the FNX Line, with offerings in 9mm.Special Operators at the MK 16 & MK 17, along with the MK 13 Grenade Launcher. 2007 FN created the FNP -45 to compete in the Joint Combat Pistol Program.2004 the FN Five Seven pistol was developed to fire the 5.7X28mm., matching the P90.Navy selected the FN M3M and designated it the GAU-21 1990 the unique FN P90 was put into production (this would later enable creation of the Stargate series).Army selected the M249 as the Squad Automatic Weapon.


Overall length is 6.8 inches with a 3.7-inch barrel. This makes the FN 509C a good choice for fans of the 509 platform that don't anticipate adding an optic or can to their carry gun.

With a manufacturer's asking price of $679, it runs about $120 on average cheaper than the same-sized FN 509 Compact MRD, which is optics ready and about $370 less than the FN 509 Compact Tactical with a threaded barrel, an optics cut, and suppressor-height night sights. Offering a 15+1 capacity in a frame just slightly smaller than a Glock 19, the FN 509 Compact is good to go when it comes to reliable carry pistols.
