This Rock River Arms LAR-8M Predator features a stainless steel heavy fluted barrel, muzzle brake, and a Leupold Mark 5HD 3.6-18x44 illuminated reticle scope. Four 20-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.