Try gunpartscorp.com
These utility .22 bolt actions can be found in secondhand gun racks for $50-$75.
I didn't realize that the stock had to be removed from the rifle in order to pull the trigger and release the bolt. Ray
$50-$125
1965
Your Marlin model 100G was a single shot promotional model in .22cal that was made by Marlin.The value is between 55-95 dollars.
I have a Marlin Firearms Co. 12 gage, bolt action shotgun.
they were only made in 1965
You can find a bolt for the Marlin 22 through many gun catalogs including the Numrich catalog. You might also find the bolt at most gunsmith shops or gun repair businesses.
this is a bolt action rifle
Try Numrich Gun Parts Corp.
you pull bolt out put bullet in and push bolt back in
Just pull the trigger as you pull bolt out.