While I'm on this kick of posting videos, here's one related to my favorite gun manufacturer:
Unfortunately, I don't think H&K got the bid because of the problems the XM8 had--or, at least, that's what I heard from someone who worked over at the Cold Weather Testing Center over at Ft. Greely. Kind of a shame, because the concept behind the XM8 was really good--a modular battle rifle, able to be reconfigured for a variety of roles (full auto support, marksman, and basic configuration).
Still, the below battle rifle is my absolute favorite:
The venerable G36. I wonder how that civvie got hold of one...