Mine had leather anti-rattle pads on either end.View attachment 1188354
My 1903A3 had a similar maintenance tool in the butt, but the container was brass, nickel plated.
The plastic tube-like appendage in the OP's pictures is the successor to the nickel-plated oiler of WW1 and the early part of WW2. When used with bolt-action rifles, the non-oil compartment contained a string pull-through. When used with the Garand, that compartment contained the cleaning rod handle, which was also a tool for disassembling the bolt and the gas cylinder.My 1903A3 had a similar maintenance tool in the butt, but the container was brass, nickel plated.