Project Rhino 5/4 fuel tank

Good morning all, is the M725 stock fuel tank the same as M715? Is there a source for new ones?

Tank is the same, rubber filler tube is different.

http://www.m715zone.com/vb/showthread.php?t=20733

Source for filler tube.

http://www.army-spareparts.com/shop/...s/m-715?page=4

Great thanks