UNAVAILABLE. NON-UK SALESONLYORRE-DEACTIVATION TO CURRENT DEACTIVATION SPECIFICATION - PLEASE CONTACT US FOR FURTHER DETAILS. Manufactured from 1905, the Police Positive was one of Colts best know early revolvers. This example is chambered in .38S&W and has a 4" barrel. Manufactured in 1920 (from serial number) and in very good used condition. Complete with original Colt hardwood medalion grips. Post 1995 deactivation with fully moving parts, working dry-fire action and the ability to fully field strip.