OK now that I got that out of my system. Different materials do have a different Coefficient of Friction when sliding across other materials. This site may shed some light. Though most rolled steel items, like track, are made from mild steel and there would be little variation from one alloy to another of mild steel. Generally speaking a soft material slides better on a hard material. In the case of guns the receiver should be a harder alloy than the bolt as the bolt can be replaced. Once the receiver is shot (pun intended) usually the gun is also. New rolled steel track has a coating of oil. Johns right over the target. Clean your track, it can't be too clean. j
|
|
