It is engineered to have a stringy characteristic that prevents "tracking" or shearing on sliding metal surfaces. It "stays put" by dragging itself back into the friction areas of the cycling slide and barrel. This ability to stay put is far superior to conventional greases such as lithium, or lithium-based metallic greases containing molybdenum or graphite.
Further, Slide-Glide's quality of staying put fills gaps between moving parts in the top end, effectively softening the felt recoil. This is especially noticeable on Stock firearms, and also works great on "loose" Open guns.
Most unburned powder residues that may become visible in the grease are actually lubricating in nature (graphite), and will not adversely affect the performance of the grease.
Which one to choose:
For Open guns - choose the "Lite"
For Standard guns - choose "#1"
2 Oz tubs.