Clarence Hamilton made the first Daisy in 1895 in the Plymouth Iron Windmill Co, Plymouth Mi.
However he is not the first person to make Air guns. Lewis and Clark also had an air gun on their journey across the country to the Pacific. Before that the Austrian army had air rifles in 1779 that were designed by B Girandoni, these rifles fired a 51 caliber ball as large as a mans thumb.
Most daisy bb guns are made in China, with a few exceptions. Their Avanti line is built in Rogers, AR, and most of their CO2 pistols are made in Japan.
If you are asking about Daisy BB guns not rifles or any other brand made by Daisy. then I would have to say the Daisy powerline models 5502 and 5503 are the fastest Daisy BB guns at 430 FPS. The Daisy 880 and several other models reach 750 FPS. But these are rifles not BB guns like you asked in this questiion.
Daisy did not invent the BB gun. Hamilton made the first Daisy model in 1895. , but BB guns were around long before that. Lewis and Clark carried an air rifle with them on the travels to the West and the Austrian army had air rifles as early as the 1500's
They were made by both Daisy and Crosman. Any BB gun model starting with 799 was a Daisy and any BB gun starting with model number 126 was a Crosman.
Daisy started in 1895.
Daisy has made several BB guns. Which model are you asking about. I suggest you contact DAISY Customer service and ask them for a parts diagram. See the link below.
This BB rifle is made by Daisy. The number will be on the barrel in front of the rear sight.
Daisy and Crosman made numerous BB and pellet guns for sears over the years. Without more information it is not possible to answer you.
Both of mine say made in Rogers Arkansas on the Box
Are you asking about a gun or a rifle. Which model are you asking about. Daisy had made over a 100 different BB guns and rifles
BB's are all the same size .175 for all the BB guns.
Manufacture names of BB guns: Gamo, Crosman, Umarex, Daisy and others To see the names used on BB guns See the link below