This Phoenix Firearms Redback is RMR optic-ready and features an ambidextrous thumb safety. Purchase includes a soft case, manual, four 17-round magazines, an extra trigger, and a small cleaning 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.