It all depends on the model you are asking about. Crosman has made over 100 different models. So first you need to identify the model you are asking about. You can usually find the model number on the barrel.
Then I suggest that you go to ( see the Link Below) and locate your gun. The diagrams will help you re-assemble it.
Over the years CROSMAN has made over 50 different BB guns and more than 100 different Air rifles. It would really help if you stated which one you wanted help with.
Is this a BB gun or an Airsoft BB gun? If it's Airsoft then you are in the wrong category. There is an Airsoft category for Airsoft.
As far as I know the Crosman Phantom is not a BB gun but a pellet rifle. If you want to see the parts list for the rifle then see the Crosman link below.
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.
Crosman doesn't make the Grizzly, Daisy does. $40
I can not find a CROSMAN model 350 BB gun, Do you mean a V350 BB rifle. If so then one in good condition is worth between $55-$70
Crosman has most all their BB gun/rifle manuals online. (See link below) on the Crosman home page click on the "Download a manual" at the bottom of the web page and locate your manual.
see the link below for the owners manual
I know of No Crosman BB GUN model V35C. However Crosman made a V350 BB Rifle from 1962 to 69. If this is the rifle you are asking about please post the condition of the rifle. ( excellent, good, fair or poor.) It was a push barrel rifle. Is it in working condition? Repost with the information.
The SP2022 has a better warranty. Faster FPS and cost less.
See the link below for the parts list and phone number for Crosman.
I assume that you are asking about a .177 caliber BB gun not the toy 6mm plastic BB gun. You didn't state the model of the CROSMAN BB gun. If it's still in production you can get the parts from Crosman.com If it's out of production I suggest that you look on the web under Airgun repair and find a shop close to you to do the repairs.
Crosman owns Hahn... See the link below.
Crosman offers a free service to locate shops that repair older Crosman products. See the link below.