Kel-Tec P-15 9mm Luger 4in Black Nitride Pistol – 15+1 Rounds – The KelTec P15 is a striker-fired pistol that boasts a 15+1 capacity right out of the box. Its the lightest, thinnest double-stack 9mm handgun on the market. The P15 is an excellent choice for concealed carry. This pistol offers plenty of dependable firepower to secure your world.