This JP Enterprises JP-15 features a Maxim Defense adjustable brace, a thumb safety/selector, a Magpul MOE-K2 pistol grip, a threaded barrel with an A2 birdcage muzzle brake, and a Vortex AMG UH-1 sight. One 30-round magazine is 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.