Rifle chambered in one of the cartridges named Winchester Magnum- such as the .300 Winchester Magnum- or .300 Win mag for short.
3500.00
Only what it is chambered for.
You need to know the make, grade and model. 270 mag rifle could be anything
No
100-450
300 Win Mag would be one.
A Sears Model 300 Winchester Mag rifle could actually be worth several thousand dollars. A rifle in very good condition can sell for up $3,500.
There is no "one" better anything- including rifle calibers. The .300 Win Mag can fire a heavier bullet a longer distance, but is generally a heavier rifle, has more recoil, and you can carry less ammunition.
100-450 or so
.22 mag and .22 LR are not the same. So, no.
30 caliber bore brush.
You can fire a 44 mag out of a rifle in excess of a mile.