Smith & Wesson Manual Safety Lever Plunger, Ambidextrous

FITS: 3913 LS/NL, 9mm; 3913 LS/NL R3, 9mm; 4006, .40 S&W; 4006 R3, .40 S&W; 4013 TSW, .40 S&W; 4046 R3, .40 S&W; 4506, .45 ACP; 4506 R3, .45 ACP; 4516, .45 ACP; 4566, .45 ACP; 4566 R3, .45 ACP; 4586 DAO, .45 ACP; 4586 DAO R3, .45 ACP; 5903,