This DB-15 features a B5 telescoping stock, an M-LOK handguard, and an A2 birdcage. Three 10-round magazines and two 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.