I am not quit sure what you mean by "BALL?" I own several Crosman 38's, If you mean BB then the answer is it is not designed to shoot BB's. It fires a pellet that is either a .177 caliber or a .22 caliber depending on the particular model.
If you look at the right side of the barrel it will say .177 or .22 cal to let you know what caliber the pistol is made to shoot.
Do not use BB's in the pistol it will ruin the rifling in the barrel.
It depends on the model and the caliber of the Pellet gun.
It all depends on the model and who made the pellet gun. I suggest that you re-post the queston with the model and make of the pellet gun to get an answer.
Which model
It all depends on the model
Which model do you have
It all depends on the model.
It would help if you stated the model and the condition of the pellet gun. Without some information it is not possible to answer you.
Cal .177
Daisy made a model 120 pellet rifle from 1984-85. It was made of by El Gamo of Spain.
Are you trying to fit on a gun or rifle ( you said gun) What model are you asking about,. Is it a scope designed for pellet rifles. How big its the dovetail on the rifle. You need to be more specific.
Contact the maker for a replacement manual
In order to be used the Caliber must be .175 or it will jam or damage the gun. BB stands for "Ball Bearing". Never use a BB in a Pellet only gun.