Many custom and commercial companies.
remington
It's worth whatever someone will pay for it. That varies on the region of the country and the condition of the gun.
I just saw an m70 .338 fully composite with us optics bi pod and case for 3900.00 Canadian
Your question needs a little more info before a answer can be rendered.First what type of gun do you intend to buy?Is it a ruger,remington,winchester,savage etc.Second what model number is the gun and what type of firearm are we talking about?A semi-auto rifle,bolt action,and what type of condition is the firearm in.
Try google, mamma, dogpile
It will be worth nothing If HELLery Clinton gets in as she is all for gun confiscations (IMHO)
Check out the gunbroker.com You should be able to find what you are looking for.
Winchester did not make a model 77.Could you mean model 70?,or do you refer to the ruger model 77?
100-1000 usd
100-500 USD
100-450 or so