This optic-ready Tisas MAC 9 DS features a fiber optic front sight and a Cerberus rail mount compensator. Purchase includes the original box, soft case, two 17-round magazines, filler plate, and RMR plate (no screws). 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.