This Eagle Arms Eagle-15 includes five 30-round magazines, a UTG rear sight, a carbine-length system, a 1:8 twist barrel, and a .223 Wylde barrel. 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.