Standard NATO round

( The Scrunt PA to Miss F CEO of Tropicana, Mon 9 Jul 2012, 15:14, Reply)

Nope. That's a 7.62×39mm Soviet round
The old NATO was 7.62×51mm, and the current standard NATO round is 5.56×45mm
( Lord Keeps meaning to procrastinate., Mon 9 Jul 2012, 15:19, Reply)

The 51 is still used.

( Pedantichrist twitter.com/LordManley, Mon 9 Jul 2012, 15:20, Reply)

I think this explains everything.
www.youtube.com/watch?v=Zu0LJtbWBTg&feature=player_detailpage#t=27s
( Amadeus I care not for your thoughts on grammer, Mon 9 Jul 2012, 16:40, Reply)

exactly, of course there is something special about their level of knowledge
wouldn't you agree colour sergeant?
www.youtube.com/watch?v=bGlSJgDsvTM&t=12m32s
(Mehitabel_Itrang, Mon 9 Jul 2012, 18:34, Reply)