I'm a little confused about the three side plate screws on my 67' model 49 j frame. Mine has one flat head and two round heads (one being yoke screw). What confused me is Numrich shows two flat head screws and a round head yoke screw. Brownell's shows one flat head screw and two round head screws ( one being yoke screw).
So my guestion is which is correct?
Thanks

There are two "crowned" screws, the fitted yoke screw and the screw over the trigger guard. The flat head screw (which has no pilot on the end) goes under the grips.
In the newer guns, the yoke screws have changed, so now we've got another style screw to keep track of. Good grief.

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Ret. LE, FA Instr, S&W Armorer

Thank you, and thanks for the correct term "crowned".