50-1000 usd
100-10000 USD
100-1000 USD depending on specifics
100-500 usd
your 770 is worth about $250..00 to $300.00 hope this helps
Lets start out with the fact that the Winchester model 100 semi-auto rifle was chambered in 243 Winchester,284 Winchester,and 308 Winchester only!Your serial number indicates that your rifle was made in the year 1965.These rifles range in price from 250-400 dollars,depending on overall condition and a good bore.
A semi auto rifle from the early 70s made in 243, 284 and 308.
Don't know about the 243 carbine but the serial numbers for the model 100 go up to 263170 on the site I use to check dates. That number sounds about right but the model 100 was made in a .308 and a .243 with the .308 being the majority.
No such model number
The 243 Winchester caliber was introduced in the model 70 bolt action and the model 88 lever action rifles in the year 1955 by Winchester.
The twist rate in a Winchester 670, 243 caliber is 1:10.
100-500 USD