I have a fiber optic front sight on a 4" 357 DW revolver for years and that fiber rod still in the sight. have it in a .22 a 1911 and a couple kahrs. They are snappy pistols. Fiber rods all stay in place.
Shoot it as for a while till you get comfortable with it using both the standard a carry /defense ammo . make notes with the group. Then at Dawson Precision sells a front and rear sights in a several heights and widths and styles to help fine tune your bullet impact and to help you get the sight picture you want . They also have adjustable sight package so you can change for load or distance . If you should break a fiber optic rod its not a big deal to fix it . Lighter to heat a knife blade is all you need special in the field along with a few rods in your kit . When I first tried them I went from red to green .
Shoot it as for a while till you get comfortable with it using both the standard a carry /defense ammo . make notes with the group. Then at Dawson Precision sells a front and rear sights in a several heights and widths and styles to help fine tune your bullet impact and to help you get the sight picture you want . They also have adjustable sight package so you can change for load or distance . If you should break a fiber optic rod its not a big deal to fix it . Lighter to heat a knife blade is all you need special in the field along with a few rods in your kit . When I first tried them I went from red to green .