This Black Rain Ordnance Fallout 15 features a Bilsim stock, safety, a 12.25" M-Lok handguard, and a 1/7 twist. Purchase includes the original box, soft case, manual, and one 30-round magazine. 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.