Lockease graphite, from local hardware store.I use it on all my serious use guns. But you have to degrease the gun completely, put car wax on the exterior, 2 coats of was, coz nothing about this graphite is rustproofing! Also, only put the most minute amount of it, and only on the highest friction parts of the action, cause this stuff is messy and it 'migrates" a lot in the gun. but it will "unfreeze" an iced up doorlock on a car, quite often! it is amazing stuff.
