2nd or 3rd model front sight on a 4 inch revolver

[PZ93C]

The front sight is how far back from the end of the barrel? 1/2 inch?

And should I go with one pin or two for a buffalo nickel front sight?

Thanks,

 

[PZ93C]

The front sight is how far back from the end of the barrel? 1/2 inch?

And should I go with one pin or two for a buffalo nickel front sight?

Thanks,

 

[opoefc]

2nd or 3rd model what?

 

[PZ93C]

N frame.

.44 Special 2nd or 3rd.

Sorry about that.