Smith Model 640 Pro, 38 Special. Here we take a look at a fine j-frame, the 640 Pro! I've been carrying this for a little while now during the summer months and figure I do a vid about this j-frame. Part I of my review of the Smith and Wesson 640 Pro Series . It’s a surprisingly good shooter for such a small The Smith & Wesson 640 Pro Series is a revolver model that successfully balances the old-school functionality of this classic design with up Properly sorted, the Smith & Wesson Model 640 Pro Series is a bedside gun you can take to the range and carry (proving you find an appropriate pocket holster). 357) – LASD Armorer Work / DAO / No Lock Smith & Wesson M640 Pro Series, . To my mind, having the taller night sights on a centennial was superfluous, gimmicky; dumped it for a standard 640-1. The Model 640 Pro Series integrates the Firing the 640 with the same 38 Special loads used in the other handguns, we learned the Smith & Wesson Pro has a smooth action. Based on Model 40 Centennial, the Model 640 is a small frame concealed Based on Model 40 Centennial, the Model 640 is a small frame concealed hammer revolver that packs a full-sized punch. Stainless J-frame, no internal lock model. Based on Model 40 Centennial, the Model 640 is a small frame concealed hammer revolver that packs a full-sized punch. yg1rciflmc4hsbkp41l9c8givaalhltuorxezvmil4