Smith & Wesson J Frame Model 42 Centennial Airweight Flat Latch Thumb Piece & Screw, Old Style - Part# J42178 Model 432PD This is the old-style design

This is the old-style design — a genuine OEM used replacement part in good working condition

same reliable hammer energy transfer

Factory new Smith & Wesson magazine catch nut for Model 41 semi-automatic target pistols chambered in

For revolvers manufactured before 1957-58 without model numbers

Part Type: Trigger & Hammer Assembly

Smith & Wesson J Frame Model 42 Centennial Airweight Flat Latch Thumb Piece & Screw, Old Style - Part# J42178 Model 432PD This is the old-style designSmith & Wesson J Frame Model 42 Centennial Airweight Flat Latch Thumb Piece & Screw Old Style Black This is a genuine used Smith & Wesson factory part the old style flat latch thumb piece and screw for the J Frame Model 42 Centennial Airweight revolver chambered in . 38 Special. The flat latch design is specific to early production Model 42 revolvers. If your cylinder release feels worn, loose, or is missing the screw, this is the correct replacement