Smith & Wesson M&P Front Night Sight - Tritium - 9/40/45 Shield & Full Size - Factory OEM .310 Trigger Factory Smith & Wesson stainless 1572 Color:LIGHT WOOD This is a complete .500 inch trigger

Factory Smith & Wesson stainless steel 6-shot cylinder designed specifically for newer K Frame Model 66-8 and higher revolvers chambered in

Later N Frame models use a frame-mounted firing pin

Designed specifically for Smith & Wesson K Frame Model 66 revolvers

Model Frame Caliber Model 10-7 K Frame

Spring tension must be correct for proper function

Smith & Wesson M&P Front Night Sight Tritium 9 40 45 Shield & Full Size Factory OEM .310 Trigger Factory Smith & Wesson stainless 1572 Color:LIGHT WOOD This is a complete .500 inch trigger Factory Smith & Wesson stainless steel 6 shot cylinder designed specifically for newer K Frame Model 66 8 and higher revolvers chambered in Later N Frame models use a frame mounted firing pin