The FN 503 9mm magazine uses a stainless steel body has a polymer grip extension to secure your pinky and assist in accuracy and can hold up to 8 rounds.FN has designed this magazine with witness holes so you can determine how many rounds are inside at a quick glance.Feed ammunition reliably and consistently in your FN 503 concealed carry gun home defense gun or while training at the range. FN 503 9mm Magazine8 Round CapacityStainless Steel BodyYou can never have too many magazines especially when it comes to your everyday carry gun or home defense pistol.Make sure you have enough mags for usage at the range practice and defense!Order your FN 503 magazines online today!Searching for 9mm? Score big savings when you shop our large selection of cheap 9mm ammo for sale.