sentences:  The FBI issued the Model 13 with round butt and 3" heavy barrel shortly before switching to semi-automatic pistols.Apart from the USA, the ICAC of Hong Kong issued the revolver for replacement of the Smith & Wesson Model 10 revolver and the Colt Detective Special to the Arms Issued Officers, which they replaced in late 2005 with Glock and SIG Sauer semi-auto pistols.The Model 65 is used by the Texas Department of Criminal Justice.