What condition is it in..
If you have the original C02 bottle. Crosman warns you NOT to use it. see the link below for the owners manual from Crosman.
Crosman has made several model .22 Caliber pistols. Please state the model number. The condition of the gun and is it still working?
I would really like to answer your question but I need to know the model number. Crosman has made several .22 Cal rifles over the years.
Crosman It's a model 2260
Crosman offer a free service to locate shops that repair older Crosman air guns. see the link below
The Crosman model 150 was made between 1954-1967. It is a .22 cal pellet pistol.
Crosman still has some parts available for this model. See the link below.
I have absolutely no information on a Crosman model 143. Are you sure it isn't a model 140 or model 147. I even searched the net and can not find anything on a model 143.
The model 126.1930 was made by Crosman. It's really a Crosman model 140 made between 1955-68.
It would be helpful if we knew the model number. Look at the barrel of the rifle the model number should be there. Then re-post the queston with this information. Crosman has made many 22 cal models over the years.
Lets start with, What model is the Crome Crosman of yours. Is it a pistol or a rifle. Crosman has made over 100 different models. And there is NO model called "Crome." Resubmit you question with the model number so I and Identify the value.
It was made by Crosman air gun co. Any JC Higgins air gun that starts with model # 126 is a Crosman any model that starts with # 799 was made by Daisy. Your model is most likely a Crosman model 180. If I am correct about the Crosman model 180, then here is the link to the Owners manual (See Below) The model 180 was made between 1956-1967