It depends on which barrel you need. Light 12 barrels are more expensive than the standard weight barrels. Is your gun a Magnum? If so, a mag barrel would be required with a 3" chamber. Having the correct barrel address to match the date of your gun is also important. All of this said, extra barrels usually run in the $150 to $400 range for most A5's.
There are many factors to consider when trying to determine the price of gold, which is known to fluctuate up and down in as little time as an hour. However, today (12/21/12), the market closed with the price of gold at $1656.18/oz.
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The average price of Caterpillar stock would depend on the time frame one is calculating the price of Caterpillar stock. As pf July 12, 2013 the price of Caterpillar stock was $87.17 US Dollars.
This certainly depends on where you live. In America you can say about $12 for 12mg.
Currently about $195,000, but it depends on the current price of gold.
Located on the barrel or receiver.
solder
If it is a Browning Superposed 12 gauge it was made in 1959.
Where will be marked on the barrel/receiver.
Check the receiver and barrel
Need a detailed description to answer.
Try e-gunparts.com, Mid West Gun Works, Browning.
You must call Browning to find out.
Need a detailed description of all markings, finish, barrel legth, condition, accessories, box, papers, etc..
50-100
100-1000 USD or more depending on specifics
50-500 uSD