Springfield Tactical Response Pistol, Operator, Semi-automatic, 1911, 45 ACP, 5, Black, G10, 7 Rounds, Range Bag, California Compliant, 3 Dot, Steel, Armory Kote PC9105LCA18 The Full Rail 1911 TRP Operator .45 ACP pistol crams every imaginable custom tactical feature into a chassis that includes a full-length Picatinny rail long enough for any imaginable accessory. The 5" match grade stainless steel barrel is mated to a precision bushing for high-performance accuracy. An extended ambidextrous thumb safety, titanium firing pin and generous lightweight target trigger amp up the performance. Fully adjustable three-dot tritium night sights are both precise and versatile.