Couldn't really find that many reference pics, these are what I worked off.
F1
http://i206.photobucket.com/albums/bb83 ... ere/f1.jpg
F3 (Practice grenade, pretty much the same as the F1)
http://i206.photobucket.com/albums/bb83 ... ere/f3.jpg

Think it turned out alright considering its my first model and all, criticism is welcome









