Consult the user's manual
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
The model 288 is a 24 shot BB gun that is loaded from the right side. There is a slide cover directly above the trigger that you slide forward to load the BB's
It's a BB Gun.
The model 102 rifle is loaded by removing the cap on the end of the barrel.
Which model, what is the condition of the BB gun or is it a BB rifle..
It sounds like a Daisy BB gun.
Your best bet is to ask Daisy directly. Daisy offers a free service to tell you about your old Daisy. See the link below.
Get a manual from Daisy. Daisy Outdoor Products P.O. Box 220 Rogers, Arkansas 72757-0220 (800) 643-3458
Daisy started in 1895.
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.
There is no 193B Daisy BB gun. However there are 11 different varations of the 1938 Daisy rifle made. Starting in 1972.
I use a Daisy Red Ryder BB Gun.