How do you replace breech seal in rws Diana air gun?

To replace the breech seal in an RWS Diana air gun, first ensure the gun is unloaded and safely disassembled according to the manufacturer's instructions. Remove the old breech seal using a small flathead screwdriver or similar tool, taking care not to damage the breech area. Clean the seating surface thoroughly before placing the new seal in position. Finally, reassemble the gun and check for proper seal and function.