You could contact Browning at Browning.com and ask.
You will need to call Browning.
Standard factory 222 Remington ADL has a 1/14 twist rate.
The twist rate is 14"
Looks like it's 1-14.
1 in 16"
1/12 or 1/14.
100-1000 or more depending on EXACTLY what you have.
Not enough information to even begin to hazard a guess.
50-500 usd
There are many things to consider. Age, condition, scope... Say $3-600.
222 plus 222 equals 444.
Browning will send you an owner's manual for free if you request. Otherwise, ask a gunsmith for help