300 win.
It has a longer casing and the projectile generates more energy. So in those regards, yes.
No, the 300 ultra mag cartidge is not interchangeable with the 300 win mag.
The 7mm mag has mare pressure that a 270 win.
No
No. .270 Winchester and .270 Winchester Short Magnum are not interchangeable cartridges.
You need to know the make, grade and model. 270 mag rifle could be anything
Rifle chambered in one of the cartridges named Winchester Magnum- such as the .300 Winchester Magnum- or .300 Win mag for short.
Information about the 300 Win Mag, also known as the 300 Winchester Magnum can be found on the Wikipedia website. Videos about this item can also be found on YouTube.
Biggest physical difference is case size and lack of belt on the RUM
The M69 suffix identifies your 300 win mag as being a browning BAR that was made in 1969.
What is the Value of a Remington 770 300 win mag with a scope serial number M72031826