Do it! I am in a build right now and put one together with a buddy a few months ago. Its pretty easy with a little common sense and basic armorer tools (regular tools work ok). I now have buddies building four more.
I will warn you... Make sure you have plenty of cash because youll pribably build a second one very soon!
The hardest part for me was to pick from over 60 caliber options!
Good luck and have fun with your build.
"A free people ought not only to be armed and disciplined but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government." --George Washington