Maybe it is a product of living in the Northeast but I am for some gun control. If you are looking for the thrill of shooting an AK 47-learn to surf or snowboard or something. There is simply no need. I am for gun rights like pistols for protection or a rifles for hunting but you should draw the line somewhere. I don't think it helps that that much but if it can avoid situations like the bank robbery in California,where the criminals had the police severely outgunned, or prevent some whacko form mowing down his co-workers; I would be for it.
I realize you don't know much about the subject, so I'll try to be brief.
Its nice to be able to shoot, disassemble and reassemble as well as clean various firearms.
The AK-47 was for many reasons a much better firearm the the M-16 (either the A1 or the A2).
Get a semi-auto version of both firearms and do the steps I outlined above.
Also, look at the ballistic data for both firearms (particularly the terminal ballistics).
Also, by looking at the design characteristics (and underlying concepts behind the two firearms) you can gain a better perspective on the war fighting concepts behind them.