Anything mechanical can, and will, eventually break....a shotgun has not been made that is indestructible, and some are weaker in areas than others. An old time gunsmith once told me a Parker with double triggers and extractors would give tremendous service as they were tough, and to avoid any with single triggers and ejectors. He also rated the 21 as one of the best double guns with single triggers and ejectors. When I pressed him as to what he considered the best shotgun ever made, he simply replied; "A Remington 870, I'd hate to have to make a living repairing them."