cascadedad
Ok, thanks cascadedad! I will definitely get a longer screw (or two) as you recommend ...

I was going to buy a Williams rear peep and decided I didn't like the clunky adjustments when compared to the Lyman - despite the Lyman being a bit larger, etc. Do you use the default peep aperture or have you changed it out to something larger/smaller? If so, what size did you settle on?
How did the replacement ramp fit the White UM barrel? Nice and snug? Not too long? Curved contour fit the barrel contour? Inquiring minds need to know my man.
thanks,
phil