Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Near mint guns and original box will command an extra premium. Recommend taking it to a gun shop for appraisal.
100-1000 usd
100-1000 USD or so
Contact Browning or visit their website.
$600-$700.
Yes
Depending on exact configuration and condition, 0-500 USD.
Try the Blue Book of Gun Values. Basically impossible to value with just the serial number.
.243 was made in a variety of Browning Rifle models. There are too many to list. Perhaps you could provide a model and we could tell you if it "wasn't" chambered in .243
50-400 usd
550 usd
That depends on the exact make and model of the rifle itself
Without a detailed description of all markings, features, box, papers, accessories, condition, etc.. 100-1000 USD