According to Mossbergs advertising,,,,,,,,,,,
C&P from Mossberg.......
Left-handers can enjoy the same dependable, workhorse family of 500/590/590A1 pump-actions that, after 50+ years and millions of current users worldwide, has proven itself in every conceivable hunting and shooting environment.
FEATURES: All the key features of 500/590/590A1 are there: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and smooth operating anti-jam elevator. MilSpec 590A1 models feature heavy-walled barrels, metal trigger guards and safety buttons; and both 590 and 590A1 models have easy-access cleanout mag tubes. Left-handed models are compatible with standard Mossberg accessories including: stocks, grips, sights, and rails. The FLEX™ 500® L-Series model is fully-compatible with all FLEX TLS™ System accessories (excluding barrels).