Too much to think about or lots to think about ?
After watching many Youtube videos about what is coming out in 2012 I was mostly bored out of my skull trying to understand why I would bother spending another $2000 for an AR15 that is slightly different than what I already own. Sure there are improvements but spending $2000 on something that is 5% more of a gun than an AR15 that you already own doesn’t justify the cost. I am a big proponent to upgrading what you have. There was a really good article in Swat magazine years ago about improving what you already own and the small things you can do to improve your AR15. Replace extractor springs, stake screws, lube your gun right and you’ve just improved your gun for less than $150.
If you are looking to make your Carbine a firearm that you can rely on, make sure you don’t over think the configuration and setup. I understand why people spend $2000 on AR15 upper receivers that have folding front and rear sights, but if you have folding front sights keep in mind that you have one more step to getting your firearm up and running and that is something to seriously think about. I am a firm believer that people need to adapt to weapons and gear and not always expect to adapt the firearm to them. Fixed front sights have been around for a long time and I don’t think changing that another thing that needs to be folded or screwed on is worth the liability.