Mid 1970's.
Yes.
100-1000 or more depending on specifics
100-1000 or more depending on specifics
the 22 long rifle holds 11 cartridges
Impossible to answer without more details.
The capacity of a Browning takedown rifle can vary depending on the specific model and configuration. However, a standard Browning takedown rifle chambered in .22 Long Rifle typically holds between 10 to 15 rounds in its magazine. Some models may have higher capacity magazines available, but it is important to check the specific model and capacity to determine the exact number of .22 Long Rifle shells it can hold.
It will have to be custom made.
Browning.com has a sn function under customer service.
You have a Grade I Browning takedown semiauto .22 rifle made in Japan in 1986. Browning offers a scope mount for that rifle, their item #12333. Aftermarket mounts are available from Leupold, Burris, etc.
This is a Browning .22 auto rifle made in 1968.
Call Browning with the serial number.