Smith & Wesson Firing Pin Safety Lever S&W 4043TSW, 4513TSW, 4563TSW, 4566TSW, 4583TSW, 5943TSW, CS40C, CS40D, CS40S, CS45C, CS45D, CS45S, 1006, 1026, 1066, 1076, 1086, 4054, 4505, 4506, 4516, 4526,