Parks, the GRT-III trigger will improve the accuracy tenfold. A word of caution though, the trigger is VERY sensitive, and quick. It can be adjusted to suit your preferred setting, but just keep a close eye on your son when he uses it!! I've a 10 YO daughter, and in my opinion, I think that's a lot of powerto put into the hands of a young child, or too much gun for her. Not trying to tell you how to raise you child, that's your business, but PLEASE use extreme caution. Hope I haven't stepped over the line and *_*_*_*_*_*ed you off, and that's not my intention, just a concerned parent. I know you are a fine father, a your son will have a gem of a gun. Just keep that eye open, and the safety on at all times!! I'll let you know how the Great-Stuff experiment turns out, and if I run into anything that can be done better in the procedure, I'll let you know so you can avoid any unforseem hassles!! Best wishes and Happy Shootin'. Thomas