3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring Model 629 or hunting applications where fast

or hunting applications where fast target acquisition is critical

The thumb piece (cylinder release latch) and nut are essential for proper cylinder swing-out function

polymer follower

this OEM part is a direct drop-in replacement for the 2nd Generation 9mm double-stack pistol

3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring Model 629 or hunting applications where fast3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring Old Style . 38 Special How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is the case