More sight data from the Gen 5 G45's:
.180 tall Ameriglo front paired with .256 rear, holding tops of blades center black @ 25yds:
.165 tall Ameriglo front paired with .256 rear, holding tops of blades center black @ 25yds (above group hits circled in red):
Ameriglo FBI "Agent" sights (U-notch rear) covering 2/3 black with tops of blades (red circled hits from a different group):
I'm going to run the Agent sights on 779 for awhile. From what I saw today the U-notch seems a bit faster. On 648 I've got the .180 front back on the gun and I think with the same 2/3 coverage hold as the Agent sights I should see centered hits.
Some pics (sorry front sights aren't in focus):