By virtue of having carried ( another brand ) .44mag with 2.75in bbl and K Rd grip frame, the grip is not the limiting factor for concealment, the cylinder is , so long as you don't go stupid huge on grips .

So select grips moreso for comfort/ control while shooting. I use Square butt Pach Grippers , and find them a suitable compromise for me.

The unasked question is El Paso Saddle #77 pancake .