Smith & Wesson Model 659 Main Spring & Bushing Stainless Steel 9MM - 65938A M&P 380 Shield Barrel fitting and headspace verification

Barrel fitting and headspace verification are critical operations that must be performed by a qualified gunsmith

Windage and elevation adjustments

Model Frame Caliber Compatible Model 30 J Frame

This new OEM part features a

making it the preferred choice for concealed carry revolvers

Smith & Wesson Model 659 Main Spring & Bushing Stainless Steel 9MM - 65938A M&P 380 Shield Barrel fitting and headspace verificationSmith & Wesson Model 659 Main Spring & Bushing Used Original Factory Part This is a used original Smith & Wesson factory main spring and bushing assembly for the Model 659 9mm semi automatic pistol (2nd Generation, stainless steel). The main spring (also known as the recoil spring or hammer spring depending on context) powers the hammer strike and or slide return cycle. The bushing retains and guides the spring for consistent operation. Both are