Jrc takedown combo gen3 9mm 17" bbl.17rd glock mag black FEATURES:-Caliber: 9MM-Rate of Twist:1:16"-Finish: Black-Barrel Threads: 1/2 x 28-Mag Capacity: 17-Mag Type: Glock-Barrel:17" threaded 1 in 16 Button Rifled Barrel-Overal Length: 34x 25" Extended, 31" Collapsed-Operation System: Blowback-Reciever: One Pieced Machined From 6061-T6 Aluminum and Hardcoat Anodized-Ambidextrous:Yes-Forend: 13" Keymod-Stock: Telescoping 6-position Collapsible M-4 Style Buttstock Other Features: Threaded barrel 1/2x28", blowback operating system, machined aluminum receiver, ambidextrous charging handle and ejection takedown model, accepts glock style magazines, 6 position collapsible stock, commercial spec buffer tube, includes black slingpack