About $300-$400 depending on condition and barrel configuration.
100-2000 USD or more depending on specifics
Depending on finish of steel and stock plus wear, it could range from 800 up to 2000
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. Recommend taking it to a gun shop for appraisal.
It varies by condition, length and choke. Try the barrel exchange. Most of their B2000 barrels are around $300. Keep shoping online at the gunbroker and other gun parts outlets. http://www.barrelexchange.com/
This gun is a 1963 Auto 5. Value depends on condition. This is a Belgian gun and likely the 2nd barrel is a Japanese barrel with the invector chokes. Typically these guns in a "mixed" two barrel set / cased - run $1500-$2000. A mint 63 could bring more in the right market.
100-2000 usd
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. Recommend taking it to a gun shop for appraisal.
Recommend that you access the free owners manual for the B2000 on line. This manual helps troubleshoot problems. Your manual is at the link below.
All Browning B-2000 shotguns were Belgium manufacture but assembled in Portugal.
The average price for a barrel of crude oil in 2000 was $27.39
If gun is mint and never fired - then you could reasonably expect $1500 - $2000 auto5man