Calibers: 9mm, .45 ACP. Capacities: TP9 9mm (eight-shot magazine), TP45 .45 ACP (seven or eight shots). Barrels: 4”, 5”, or 6”. Features: Model with a 4” barrel has features similar to KP GEN 2. The 5” model has front and rear slide serrations, white three-dot sights, mount for reflex sights. The 6” model has the same features, plus comes with a Leupold Delta Point Reflex sight.