1939
A shotgun.
i think the 50's at least
@ 9 pounds
The first 28 gauge shotgun on the commercial market appeared in 1904. It was made and sold by the Parker Arms Company.
Auto-5 'Magnum Twelve' from 1965.
The average price of a Remington 870 Express Magnum pump 12 gauge shotgun "brand new" is about 300-450 dollars. I got mine used for $250
I have a model 167 series E and it is a 12 gauge up to 3" magnum
Market or kiln gun
100-400 USD
it has an atmospere and it takes 88 days to obits around the sun
B-80
I have a mercury 12 gauge magnum 3 inch chamber full& full choke`s made in liege -belgium.with ducks in grave and other in grave.