This Gun Holster fits FITS FN 502 510 545 509 OPTIC RED DOT READY TOP RAIL MOUNTED and is worn as a hip holster with reversible clips making it a right or left handed draw. Material is a strong 800 Denier NylonWE NOW HAVE IN STOCK TOP RAIL MOUNTED OPTICAL, OPTICS, RED DOT SHOULDER HOLSTERS AND HIP HOLSTERS THAT FIT MOST ALL AUTO PISTOLS, MESSAGE US WITH YOUR GUN'S EXACT MAKE AND MODEL FOR A LINK TO VIEW THE LISTINGS. NYLON HOLSTERS START AT $14.95