I thought I saw a thread about this topic earlier, but I can't find it now and I just wanted to share this video from Liz Wheeler. I haven't fact checked, but she doesn't tend to spout BS so I'm not too worried about sharing it. It revolves around how raising the age to buy any firearm to 21 is meaningless from the prevention side and backs it up with a number of facts.
[video=youtube;nNBe1HLbC4c]http://www.youtube.com/watch?v=nNBe1HLbC4c[/video]
[video=youtube;nNBe1HLbC4c]http://www.youtube.com/watch?v=nNBe1HLbC4c[/video]