How do you like the Costas? Did you need to file the rear sight before installing? How is the quality compared to other sites? I am thinking about ordering the accur8’s.I have the Walther plate and just installed Nite Fision Costa Ludus sights (lower than suppressor height). They cowitness right at the bottom edge of the window on my 407CO...still visible enough to be useful if needed, but out of the way otherwise.
NIGHT FISION OFFICIAL COSTA LUDUS NIGHT SIGHTS - Night Fision
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Crappy pic, but it gives an idea. When the sights are lined up, the front is lower in the window.
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