Home / Semi-Auto Pistol / FN 509C MRD 9MM FDE 3.7″ 15+1 FS Sale! FN 509C MRD 9MM FDE 3.7″ 15+1 FS$83400 Original price was: $83400.$77091Current price is: $77091. In stock FN 509C MRD 9MM FDE 3.7" 15+1 FS quantity Add to cart SKU: 66-100574 Category: Semi-Auto Pistol Product ID: 58725 Description Description Striker FiredFull Ambidextrous ControlsLow Profile Optic Mount System Related products Sale! Rock Island Armory ROCK ULT CCO 9MM/22TCM9R 4.2″ $83900 Original price was: $83900.$71644Current price is: $71644. Sale! POF USA PSG .22LR PISTOL 8″ BLK MLOK $67200 Original price was: $67200.$49373Current price is: $49373. Sale! Springfield Armory HELLCAT OSP 9MM BLK 3″ 10+1 NS $63300 Original price was: $63300.$60220Current price is: $60220. Sale! Springfield Armory XD-S MOD2 45ACP 3.3″ 6+1 CT $56800 Original price was: $56800.$54074Current price is: $54074.