[QUOTE=glowe;140100934]I agree with Ralph. There were only two models in that caliber with that serial number."
What about a converted .38 S&W Victory model, minus the V?
"The 38/44 Outdoorsman was only available in 6 1/2" and 8 3/4" barrel length from 1931 to 1941."
Hacksaws come in different lengths too. 
Besides, the OP said that the sights were fixed.