The 75th Ranger Regiment is a lethal, agile and flexible force, capable of conducting many complex, joint special operations missions. Today's Ranger regiment is the Army's premier direct-action raid force. Each of the four geographically dispersed Ranger battalions is always combat ready, mentally and physically tough, and prepared to fight our country's adversaries.
The average 6-year-old is about 42 inches tall and weighs almost 50 pounds. Your child will double that weight by the time he reaches adolescence, and grow to five feet tall or more!
There is no average weight for a 12 year old. There is a weight chart that measures weight to height, though. I only know that for 5 foot 7 inches is 130 pounds. (I know, because I looked it up on the chart at the time...) Sadly, the only thing I remember is it was in a National Geographic of a previous year.