General information on the 721 can be found on the Remington website here: http://www.remington.com/library/history/firearm_models/centerfire/model_721.asp
Your Remington model 721 was produced from 1948-1962. If you can supply the 2,or 3 letter code on the barrel we can pinpoint the month and year of production.
yes
see below
You have a browning a-bolt rifle chambered in .270 winchester caliber.
Long action.
What model of rifle are we talking about?I would need to know along with the age of the rifle to give you a accurate value.
Depends on your pocketbook.
50-500 USD depending on specifics
100-1000 USD depending on specifics.
Winchester lists the ballistics of the ammunition it sells.
Yes. The .270 is simply a necked down .30-06 cartridge, and thus the action would be the same as the .30-06.