mobile one or castrol full syth works well iver tried everything else and hey works on a car running high r's high heat ... good nuff for me come in most high end cars from factory .. plus ya know how long a quart oil lasts compared to the little itty bitty bottle of gun oil for 10 $$$
Some will tell ya no but i use it on all my guns period
Some will tell ya no but i use it on all my guns period