Home / Used Fireams / FN 509M 9MM 4″ 17+1 5-MAGS ORIGINAL BOX/CASE HOLOSUN 507C THREADED FDE USED GKS0381457 You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. View cart Out of stock FN 509M 9MM 4″ 17+1 5-MAGS ORIGINAL BOX/CASE HOLOSUN 507C THREADED FDE USED GKS0381457$749.00 Out of stock Want to be notified when this product is back in stock? Notify me UPC: GKS0381457 SKU: GKS0381457 Category: Used Fireams Product ID: 40606 Description Description . Related products SMITH & WESSON 696-2 3″ 44 S&W SPL 6RD ORIGINAL CASE STAINLESS USED CFJ8213 $899.00 Add to cart ZEV OZ9 9MM 4.5″ 17+1 7-MAGS ORIGINAL CASE W/ TRIJICON SRO FDE/BRONZE/BLACK USED ZB01152 $1,099.00 Add to cart FN HERSTAL FNAR 7.62X51 20″ 1-MAG 20RD NO CASE BLACK USED 319MN10701 $1,049.00 Add to cart KAHR PM9 BLACK DIAMOND 9MM 7+1 1MAG 3″ ORIGINAL CASE BLACK USED VB9825 $499.00 Add to cart