This Sig Sauer MCX features a folding stock, a Magpul sling, a 3-prong flash hider, and flip-up iron sights. Purchase includes the owner's manual and one 30-round magazine. 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.