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.