Nope, it was reported that he felt current gun laws weren't stringent enough.
Printable View
I was going to say, there are plenty of 10rnd mags out there, and you can still find 30rnd "kits" if you look around
Biden approved, so he used...
If he has this planned out and if he desired an AR and if he wanted mags with more rounds than what colorado currently allowed...he would have gone to wyoming to pick them up...if nothing else.
Among most people the mindset is if you want to do a lot of damage to someone then use a shotgun. I would suspect that is the mindset he was running under. That and $ probably played into what he could get...being still in school and all.