Depends on when it was made.
Possible, but, have a gunsmith check it out.
No.
Browning did not make the Model 11, Remington did. If you have a Remington Model 11 in 16ga, value is between $150-$450.
I just received an A-5 recoil spring that was stated to fit the Remington model 11 12 gauge with a 5 round magazine tube . The A-5 spring was 3" longer than the original model 11 spring. Will it fit? Yes; after I shorten it.
Sometimes they will within a particular model.
Remington did manufacture a John Browning designed rifle. The Remington Model 8, semi-auto rifle was made from 1906 until 1936. The improved version, the Model 81, was made from 1936 until 1950. Remington also manufactured the Browning designed Auto-5 shotgun under their name as the Model 11 in various grades and gauges.
Search web for Remington model 11. web info for inertia operated Browning a-5 is nearly identical.
Is this a model 11 Remington? Please re-ask under the Remington classification
The Remington 241 (after the model 24) is browning design and look the same, the 241 was last made in 1949.
you can't.
Remington Model 11
You will have to call Browning.