Gee, I can barely load my mags when sitting still, let alone driving. [roll]

I did get one of those loading tools and it helps a lot trying to cram that eight round into my Sig P220 magazines.

Seriously though, I have 11 magazines (I know it's a wierd number) and preload all of them before the match. At 8 rounds per magazine that's 88 rounds and it's rare that I have to load up any more during the match. Although, I'm pretty parsimonious about the number of rounds sent downrange unlike some of the shooters - I treat the shoots as practice for a real life encounter and don't want to waste any rounds.