RE: Need any help? [Fluent English Speaker]
There are. Lithuania, Chile, Mexico, New Zealand, Peru, Turkey... The list goes on.
I wouldn't get too infatuated w/ so called "upgrading" the M4A1. Can you list some shortcomings of the weapon system? There's a reason why every rifle manufacturer is compared to the M4A1, it's the golden standard and the jack of all trades. Also, the USMC uses the M16A4. Is that good enough of an upgrade for you?
Windows 8 fanboy =D
"Not dead, can't quit"