This optics ready H&K comes with one 12-round magazine, the original box, owner's manual, an ambidextrous mag release, an accessory rail, extra backstraps, and it's equipped with night sights. 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.