The Bisley Revolver is a type of revolver that was manufactured by the Colt Company in the late 19th and early 20th centuries. The Colt Bisley Model Revolver was created to be a more competition-focused version of the Colt SAA revolver. History of the Colt Bisley The Colt Bisley was introduced in 1894 and was produced until 1912. During this time,