A Repeater fires a shot each time you pull the trigger and will fire every time you pull the trigger until all the BB's are gone, It just keeps "REPEATING". A Single shot must be reloaded between shots
You can't it's not designed to be a repeater.
You cock the BB gun without loading any BB's into it just air.
Hahn BB guns are owned by Crosman air gun company. The Hahn repeater is a Crosman model 166. See the link below for the Parts and Owners PDF.https://support.crosman.com/hc/en-us/articles/203543160-166-Owner-s-Manual-EVP-1958-1971-
See the link below.
Where do I find it
No. Some BB guns use a magnet to hold the BB in place until it is fired
BB guns are legal in California
There have been several models of the marksman repeater. The first one was made in 1955
A regular BB gun can not shoot air-soft pellets. BB guns shoot a .175 BB. Air guns shoot a much larger 6MM BB.
There are bio degradable bb's for Airsoft guns but not for real BB guns.
See the link below
BB guns are legal in all states. However some local laws have different restrictions on the use of BB guns.