Smith & Wesson J, K, L, N Frame Revolvers Hammer Sear - 215350000 Big Bore Model 42 (

Model 42 (

Pro Tip: This is the most popular Wolff spring pack for J-Frame revolvers

Start with the heaviest spring (16 LB) and work your way down to find the optimal balance between light trigger pull and reliable ignition:

and unreliable double-action operation in Model 629 revolvers

Removed from a functioning firearm and inspected for quality

Smith & Wesson J, K, L, N Frame Revolvers Hammer Sear - 215350000 Big Bore Model 42 (215350000 Smith & Wesson New N Frame Model 10, 12 thru 386PD Fits: J, K, L N Frame Revolvers: (New Style Only) Models: S&W 10 K Frame 12 K Frame 13 K Frame 14 K Frame 15 K Frame 19 K Frame 296 L Frame 317 J Frame 325PD N Frame 332 J Frame 337 J Frame 340 J Frame 342 J Frame 36 J Frame 360 J Frame 37 J Frame 38 J Frame 386 L Frame 49 J Frame 60 J Frame 64 K Frame 65 K Frame 66 K Frame 67 K Frame Gun Parts Pistol Revolver How to determine the model