Eddie,
Why not do both? You could enlist and save for college while in the service with the GI Bill, or you could go into the Reserves or Natl. Guard and go to school at the same time. Either way, for a fella who doesn't quite know what to do with himself out of high school, it could help to answer a lot of questions.
Look at what and how you wrote your posts. I suspect that an academic bend does appeal to you much more than a technical education. Here's something to think about once you get to college - an "applied" education.
Meaning Applied Engineering, Applied Mathematics, Applied Biological Sciences (my program) and for writing - how about Journalism? A whole lot of options and room for growth. A degree in an applied discipline means that it is a lot more field-oriented, and less theoretical. The fun part is testing or deriving old and new theorys from your work in the "real world".
As for the guns, there will be plenty out there, bigger, faster, and just as efficient. Same with cars, too.
During my undergrad years, when I had the itch for a new rifle, I opted for a .30-06. I foolishly sold that gun, but I've had a few more over the years. It is the most versitile caliber that is in my collection, and is either my primary or backup weapon on every centerfire hunt I go on.
Just my two cents worth.
Matt
BTW - which service are you interested in?