Depends on which Benelli. Refer to Benelli USA website for an owner's manual.
Benelli
Benelli Armi
Benelli - motorcycles - was created in 1911.
Benelli - firearms - was created in 1967.
Andrea Benelli was born in 1960.
You will have to contact Benelli to see if they will tell you.
Download a manual from the Benelli website. Link: http://www.benelliusa.com/shotguns/benelli_m2.php
Giovanni Benelli died on 1982-10-26.
Giovanni Benelli was born on 1921-05-12.
Stadio Bruno Benelli opened in 1966.
Benelli Armi was founded in 1967 as an offshoot of the Benelli motorcycle factory who sold motorcycles through Montgomery Wards
The location of Stadio Bruno Benelli is Ravenna in Italy.