Wolff Shooter's Spring Pack K/L/N Frame Type-1 Standard Power Mainspring Part 17120 WWII era This trigger bar assembly is

This trigger bar assembly is specific to the M&P 9mm Compact

These issues can compromise both safety and reliability

Fits: N Frame Models 24

Factory OEM hand (cylinder rotation pawl) for Smith & Wesson K Frame Model 10-7 revolvers

375" Wide Spur) —

Wolff Shooter's Spring Pack K/L/N Frame Type-1 Standard Power Mainspring Part 17120 WWII era This trigger bar assembly isWolff Shooter's Spring Pack S&W K L N Frame, Type 1 Standard Power Mainspring Part 17120 The Wolff Shooter's Spring Pack is a popular upgrade kit for Smith & Wesson K, L, and N Frame revolvers. It includes three reduced power rebound springs (13, 14, and 15 lb) plus one standard power Power Rib mainspring, giving you the flexibility to tune your trigger pull for competition or carry use. Part Number: 17120 Includes: 1 each of 13 lb, 14 lb, and 15 lb