This optic-ready FN 509 MRD features black-out sights. Purchase includes the original box, soft case, manual, two 15-round magazines, an extra backstrap, and an optic plate kit. Get the best bang for your buck when you get a Certified Used Firearm. When you see the Certified Used stamp on any of our firearms, you can be confident that you're getting exactly what you want - a gun only in very good to excellent condition and held to the highest quality standard. All Certified Used Guns come with a 'no questions asked' return policy.