The GP100 rated for .38 Special and .38 Special+P only is the entry-level variant in the GP100 line. It is mechanically identical to the .357 Magnum GP100 and will chamber .38 Special cartridges in its .357 Magnum cylinder, but it is proof-tested and rated only for .38 Special pressure levels. A practical choice for range use and home defense where .357 Magnum capability is not required. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 6 Year introduced: 1985, USA Weight: 40 oz Overall length: 9.4" Status: Active Intended use: Home Defense, Recreational