From the owner's manual:
Do I follow these instructions? Does the "magazine tube" mean inside or outside? ThanksMAGAZINE
1. Wipe the magazine tube and follower with a cloth. Clean the magazine tube
and follower with a soft brush and CLP.
2. Use a cloth to clean the magazine spring, floorplate, and base plate.
3. Apply a light coat of CLP/LSA to the spring and magazine tube.