They can also become worn or weakened over time
Low viscosity
Smith & Wesson M&P 45 Sear Housing Block with Manual Safety - Factory OEM Part 3000166
Note: This part is also commonly referred to as an ejector assembly
Smith & Wesson J Frame Vintage Wood Grips - Square Butt Only - Used OEM Part GGG16 M&P Sub-Compact They can also become wornAuthentic Smith & Wesson J Frame Vintage Wood Grips These genuine S&W vintage wood grips are designed specifically for J Frame revolvers with square butt frames only. This is an authentic used OEM part that adds classic character to your compact revolver restoration or upgrade project. Oiled Not Refinished Compatibility Frame Type: J Frame (square butt only) Compatible Models: Model 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 42, 43, 49, 51, 60, 63