I saw these at Gundam Wiki, they're most likely fake, but I figured they're good enough to be posted here anyway.
http://images.wikia.com/gundam/image...-_Line_Art.png
http://images.wikia.com/gundam/image...-_Line_Art.png
http://gundam.wikia.com/wiki/File:AG...-_Line_Art.png
I like that DODS rifle design for the Amterasu. Looks kinda like it'd be a carbine of some sort.