I have had Kroil on my work table for years. I have always been impressed by its ability to loosen stuck screws and parts. I have many other liquid "gunsmithing" products that I like to use. Well, I recently acquired an SMLE from 1940 and liked how the other favorite products brightened its bore. An Aussie Enfield Forum I was reading recommended using Kroil and complained it was hard for them to find. Thus inspired I ran some, a lot actually, through the SMLE's bore and I am converted. I may never use anything else on any of my firearms bores. No one is more fanatical than a convert and I am afraid I am converted. I need more Kroil!