In this course learn about the fascinating history and development of the S&W revolver and the differences between the J, K, L and N frame models. Clearly see and understand the inner workings of these revolvers. You will learn how to check the cylinder stop timing, examine the fit of the double action sear and repair a broken firing pin. Assembly and disassembly along with complete basic smooth and tune is demonstrated step by step. Packed with 2 hours of fascinating information applicable to all models of S&W revolvers.