Product Description
This is a Plunger Latch front sightThere will be a hole right above the muzzle that has a spring loaded plunger in it that holds the sight in place.
If you do not have a hole there,, this sight is NOT for you,,,
These typically fit;
Some GP100
Some Super Redhawk
Some Super Blackhawks
Some Blackhawk Hunter models
Some Redhawks
Height (see picture)
I do NOT know what height goes to what model, on your own there,,