TW25B Gun Grease Lubricant 43g (1.5oz)Preferred lubricant on heavy weaponry, AR's, all firearms, shotguns and handguns while protecting wear parts and the bore. This product comes in a 12g (0,5oz) reclosable and re fillable syringe. Ensures firing reliability in extreme temperature conditions (from 90F ( 67C) to +450F (232C) and is the most durable extreme performance lubricant available. TW25B is uniquely engineered, made in America and is used by U. S. Special Forces worldwide.