Smith & Wesson J Frame Model 640 .38 Special Smooth Trigger .300" - Stainless Steel Old Style J640107 model 4586 and durability for your 1911

and durability for your 1911 platform

also known as the Military & Police (M&P)

Not compatible with older pre-1992 models which use a different sight design

Part Number: 1916A

Smith & Wesson J Frame Model 640 .38 Special Smooth Trigger .300" - Stainless Steel Old Style J640107 model 4586 and durability for your 1911Genuine S&W Model 640 Smooth Trigger Old Style . 300" This genuine Smith & Wesson smooth trigger is designed specifically for J Frame Model 640 revolvers chambered in . 38 Special. Manufactured from durable stainless steel with a . 300" width, this old style trigger component delivers smooth, consistent pull characteristics for your classic revolver. Key Features: Genuine S&W Part: Factory component ensures perfect fit and function Smooth Face Design: