 The Gen 3, you no longer have to detach your optics to fold it in half, and it just as quickly and easily deploys, too. There's some redesigned and upgraded things on this. Like, for instance, you have lightened action for easy racking, redesigned operating handle for added comfort, ambidextrous bolt hold open, all providing improved manipulation and quality made right here in the U.S. of A. See everything that Kel-Tec has to offer for yourself at Kel-TecWeapons.com, and be sure to follow them on social media. That's K-E-L-T-E-C-Weapons.com. Tell them Dana sent you.