No way to answer without a serial number.
Should be from 1970-1971.
100-450 or so
100-1500 depending on specifics
100-1000 depending on specifics
100-1000 USD
Odds are 1 in 8
300-450
100-1000 depending on specifics
400-800 USD depending on specifics
$600-$900. depending on exact rifle, exact condition. Nice rifles.
200 to a few thousand depending on EXATCLY what model it is.
The value of ANY gun is based on exact make, model and condition. Question cannot be answered without all 3 factors. Sorry-