This Zev Technologies OZ9 is optic-ready and features a Zev lower receiver with a flared magwell, a window cut slide, and a dimpled Zev match threaded barrel with thread protector. Purchase includes the original case, manual, four 17-round Pmags, seven 22-round magazines with Zev extenders, an extra fiber optic, a 2 lb. striker spring, a 3 lb. striker spring, and the original Zev dimpled barrel. 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.