N frame model 57 front sight height

[z28lt1scott]

I recently inherited a model 57 and the front sight is missing. What is the standard original front sight height?

Any help would be appreciated
Scott

 

[Masterbuck54]

What's the barrel length?

Masterbuck54

 

[dsf]

What is the barrel length?

 

[z28lt1scott]

4 inch barrel length