The Sig Sauer M400 is an enhanced semi-automatic rifle chambered in 5.56 NATO. It is well-suited for use in law enforcement, the sporting field, competitive shooting, or home defense. This SIGM400 features a Sig Romeo 5x red dot and includes 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. PLUS, ALL CERTIFIED USED GUNS SHIP FREE!
