This optic-ready Shadow Systems DR920P features a flared magwell, a front night sight, and a threaded compensator. Purchase includes the original box, a Shadow Systems soft case, manual, two 17-round magazines, backstrap, and an extra 15 lb. guide rod spring. 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.