You won't see one like this very often, probably never, it's a S&W produced Power Ported barrel ie.... a S&W Model 686 Power Port 6" 357 Magnum Revolver - Stainless/Silver. What a gun....
Specifications and features:
S&W model 686PP revolver
.357 Magnum & .38 Special +P calibers
6" Power Port barrel
6 round capacity
Single/double-action
Patridge front & adjustable rear sights
Black rubber grips
Medium, satin stainless steel frame
11-3/8" overall length
44 oz.
Specifications and features:
S&W model 686PP revolver
.357 Magnum & .38 Special +P calibers
6" Power Port barrel
6 round capacity
Single/double-action
Patridge front & adjustable rear sights
Black rubber grips
Medium, satin stainless steel frame
11-3/8" overall length
44 oz.