This Q The Fix features a foldable stock, an MOE-K pistol grip, a 15" M-Lok handguard, an ambidextrous safety, and a Cherry Bomb threaded muzzle brake. One 20-round PMAG 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.