However, there were many Model 64-1 revolvers with standard chambers for the. The Model 13 had a similar history, due to a special order by the New York State Police, with the earliest examples marked as the Model 10-6. This led to production of the Model 65, which was the stainless version of the carbon steel Model 13. 357 Magnum, with longer charge holes to accommodate the longer cartridge. In 1972, the company produced the Model 64-1 version under a special order by the Oklahoma Highway Patrol.
The Model 64 was introduced in 1970 as the stainless steel version of the venerable Model 10. Your revolver shipped from the factory in 1977.
