Junnie
I think you should consider what general message of the respondents has been. They are a knowledgeable group. They are really saying its would be an embarrassment to them to have a laser etched gun like you described. You wouldn't want your grandson to come to be embarrassed about something you intended him to be proud of. You're One of many that have posted here about similar modifications over the years. Do your grandson right and take some the advice here.