It all depends on the laws where you are.
Remington does make a combo shotgun rifle, the Model SPR94.
You must be 18 years of age to purchase a shotgun or rifle,and you must be 21 years of age to purchase a handgun.
50-250 or so
5 kills with the shotgun. The shoot and hit combo is supposed to work, too.
Remington O/U rifle/shotgun combo. 22 mag on the top barel, .410 shotgun on the bottom barrel.
Gunshop, pawnshop, on line gun auction.
no
Beginning in 1983 but don't know when they ended. All were made in Japan.
18
18
18.5 inches
18"