DON'T spray any lube into the hole in the underside of the slide. This attracts debris from firing and can cause the striker pin to not move freely enough to fire the primer.

Pulling the striker back while spraying the NON-CHLORINATED Brake cleaner through the hole and the striker pin hole in the breech face allows some of the possible debris to be blown out the back. The striker should remain free of lubricant.

The two rear tabs on the frame at the rear rails and a little grease or oil there is nice. The polymer rails are just guides and need no lubricant. There is some "wearing in" and possible buildup there of plastic that might need careful trimming.

The front rails are embedded in the frame and should be lightly greased or lubed. I place a bead of Tetra grease in the grooves on the front of the slide to rub off onto the rails, too.

Wynn