Engraving, as we say, is indeed an excellent resource for weapons. At times, the guns corrode or go out of shape. Several people tend to use the polymer frames. Since every engraving is unique, you shall need time to choose the right one. It applies to pistol grips also. If you have any doubts about custom gun engravings, then you have to visit the custom-firearm.com website. They seem to be a useful resource and you, guys should try talking to them.