The .270 is a necked down 30-06. .270 WSM is a necked down .300 WSM. The 270 WSM is faster than the .270, and has a shorter case.
.270 is the larger calibre of the two.
There is no diffrents. There is no diffrents.
1.8692% difference.
-270
I believe they are the same
162.
The difference is 270 degrees.
Bullet diameter
270 are better
In my opinion theyre fairly close to each other. Theyre both based on the 30-06 cartridge case. The 270 shoots lighter bullets at higher velocities but the 308 can shoot heavier bullets. I would base a choice depending on the application.
Main one is bore diameter. Another answer: 270=.277 diameter 30-06=.308 diameter
There are several rifles available in .270 calibre. How much one will be worth will be dependent on the manufacturer, model, special features, etc. There's no way of answering this question without knowing any of that.