Try Browning.
The number of .22 long rifle shells a Browning takedown rifle can hold depends on the specific model and magazine capacity. Browning takedown rifles typically have magazine capacities ranging from 10 to 25 rounds. To determine the exact number of .22 long rifle shells a specific Browning takedown rifle can hold, you would need to refer to the manufacturer's specifications for that particular model.
the 22 long rifle holds 11 cartridges
No
None that I've read about.
Impossible to answer without more details.
1965.
No
There is no way of knowing without you providing the Model of Browning rifle that you own,its caliber,and a good description of your rifles overall condition.
AFAIK, Browning didn't make any rifles in that caliber.
100-1000 usd
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.
Rifle or pistol?