DO NOT . . . REPEAT. . . DO NOT . . . Leave them as is from the factory.
Take them apart,lightly lube every part,nook and cranny,inside bore,etc,etc,that you can get to. Use Q-tip for the small,tight places.
DO NOT store the guns in a gun case. The origional box is ok but take all the tightly wrapped plastic off. (Let the gun breathe)
Store guns with dehumidifier in safe. ---- SAWMAN