This Armalite M15 features an STR telescoping stock, a threaded barrel with a 12 port muzzle brake, a sling, and an ambidextrous charging handle. Two 30-round magazines are included. 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.