Reaaly stupid question for ya'll. I recently came accross a very nice 5 digit 10/22 circa 1965 in new, unfired condition. (NO B.S.) I was looking for a shooter and a rifle to teach my 6 year old how to shoot with. I've worked a trade for a newer birch stock to cut up for my girl. The stock trigger is way too heavy for my daughter to use. I want to do some mods to lighten it up, but I'm worried that I might be screwing up a carbine to has some collectible value. Any thoughts?