I visited a local museum today that has a Savage No.4 Mk.1* on display (I'm considering asking if I can volunteer to help keep the firearm display in good order - it needs some work), and the rifle had the spike bayonet fitted, but what was of added interest was the bayonet scabbard. After some research, it looks like the scabbard is a US-made M5 type. I have never seen one of these before. Are they rare?