Kel-Tec Gen3 SUB-2000 9mm Luger 16.15in Black Semi Automatic Modern Sporting Rifle - 10+1 Rounds - The SUB2000 GEN3 folded, it tucks away nicely in situations where space is limited, but its quick to deploy in situations where time is of the essence. The SUB2000 is a "put-it-on and leave-it-on" optics ready carbine thanks to its rotating forend. The simple, singlehanded movement and positive locking system keeps your optic of choice zeroed and ready to go on a moments notice. Designed with a straight blowback system. The stock is adjustable and field stripping is a breeze. The Gen3 features M-LOK accessory compatibility and plenty of Picatinny rail space on the top and bottom. The SUB2000 GEN3 was designed with Glock compatibility so you can pair your 9mm G19/G17 pistol mags with your favorite folding gun.