<Tr> <Td> 10 - 3 </Td> <Td> 1961 </Td> <Td> Change extractor rod thread for heavy barrel, change front sight width from 1 / 10" to 1 / 8" </Td> </Tr> <Tr> <Td> 10 - 4 </Td> <Td> 1962 </Td> <Td> Eliminate trigger - guard screw on standard barrel frame </Td> </Tr> <Tr> <Td> 10 - 5 </Td> <Td> 1962 </Td> <Td> Change sight width from 1 / 10" to 1 / 8" on standard barrel </Td> </Tr> <Tr> <Td> 10 - 6 </Td> <Td> 1962 </Td> <Td> Eliminate trigger - guard screw on heavy - barrel frame </Td> </Tr>

Smith and wesson model 10-5 serial numbers list