Tetra Gun Gun Lubricant 4 Oz.. Features of Tetra Gun Gun Lubricant: Widest operating temperature range -100F to 750F Migrates to hard-to-reach places Reduces friction wear and fouling Provides rust protection Easy-to-use Low odor Bore conditioning for increased velocity Designed for use in gun barrels and on actions levers and other metal surfaces subjected to friction. Package Contents: Tetra Gun Gun Lubricant Tetra Gun 303I: Gun Lubricant 4 Oz.