-Widest operating temperature range -100° F to 750°F -Bonds to metals; smoothes and protects -Reduces friction -Quick to apply easy to use -Low Odor -Doesn't attract fouling -Won?t migrate Excellent for use on rifle bolts sears locking lugs and semi-auto slide/rails. Apply light coating to metal surface. Buff dry for a debris-repelling ?glass-smooth? surface.