i found this in the back of my shed going through boxes i found this about 7 years ago forgot i had it
i am sure lots of you seen them they are from ww2, just wanted to show and its still full of oil.
                                                                                        LEACH

Right, just the print about the cartridge belt says so.  Probably for a BAR, or M-1 Garand.  The M-1 carbine had a tubular oiler.  And the Browning machine guns came with an oiler with spout.  I'd have grabbed it for sure.