It's a model 12 from 1912.
No such animal. Try "Remington M/572". (.22lr cal., pump action rifle)
You need a gunsmith
Ask a gunsmith for help
Model 14 - Condition?
You need to find a good gunsmith
1914
around 1912
You contact Remington customer service, and ask for an owner's manual for your rifle. Then read and follow the manual.
If it's a unmarked pump it's a model 12 manufactured in 1912
Late (almost certainly December) 1916
value of Remington targetmaster model 41 cal 22rifle
Remington.