Yup... I just got the GL-429s on and have the exact same sight picture and I'm very pleased with it and I'm glad that I didn't get the recommended "MOS height" sights. G17MOS, CHPWS plate, Holosun 407c, and GL-429 = win.
Just floating out that Aaron Cowen found that the Duracell 2032s were the only battery to reliably withstand the slide cycling.
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