Your best bet is to ask Daisy directly. Daisy offers a free service to tell you about your old Daisy. See the link below.
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
All Daisy model 25's load the same. You unscrew he end of the barrel and pull out the loading tube. It's pretty self evident when you see it.
The model number is usually engraved on the barrel .
The model number is usually engraved on the barrel .
The model 102 rifle is loaded by removing the cap on the end of the barrel.
You question is not quite accurate. Daisy never made a BB GUN model 101. They did make a number 101 model 36 BB RIFLE not a gun it was made in Plymouth Mich.
I own two Daisy Model 1894 BB Rifles (NOT a 1894 gun) both of them have the registration number on the barrel right in front of the rear sight
There is no 193B Daisy BB gun. However there are 11 different varations of the 1938 Daisy rifle made. Starting in 1972.
1933 to 1935
It depends on the model. usually it's on the barrel top or side
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.
Consult the user's manual