Your Model 63 is likely a round butt J-frame. The grips are for a square butt J-frame. The box is for round butt K-frame grips.
Having said that, the grips should fit your gun but there may be a soft spot at bottom rear where a void exists due to your round butt frame in a square butt grip. If your 63 is a square butt, you're all set.
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SWHF #448
Last edited by -db-; 01-10-2017 at 07:25 PM.
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