Go to (See the link below) and find your parts and owners manual for your gun or rifle. Crosman keeps a web page for older airguns.
The Crosman model 761XL is designed to shoot BB's or any .177 Caliber pellet. These are the most common pellets you can find. Make sure you select .177 Caliber pellets.
This is known as the repeatAIR not repeater. It's the Crosman model 1008 You can find the parts diagram for all Crosman's weapons on their web page. (See the related link at the bottom of this page) then click on Rifles or Pistol manuals
It would be worth around $65 in Excellent shape.
The Model 73 Saddle Pal was made between 1976-83. In two variation's. Its a 16 shot BB repeater or .177 cal pellet. The design is a Winchester style rifle. In Good condition its worth $25-$35.
It's in the grip. See the link below.
.177 cal. Crosman, daisy, rws, beeman, marksman all make pellets in the .177 size
The Model 73 "Saddle Pal" was made between 1976 - 1983. Crosman no longer has parts for this model. However they offer a free service to locate shops that repair older Crosman air guns & rifles. See the link below BTW it shot both BB's or .177 pellets.
The Crosman model 120 was made between 1952-1954. The has a fore arm pump and shot a .22 caliber pellet not a .177 common pellet. The .22 caliber pellet was loaded through the loading port at the rear of the barrel. .22 caliber pellets are still available through most sporting good stores. Actually it's a very nice rifle.
Cal .177
See the link below for the Owners manual and Parts manual. Crosman makes the Remington air rifle.
The Crosman 357 is modeled after the COLT PYTHON. If the Python fits the holster, then the Crosman 357 may also fit. Your just going to have to try it.