300 win.
.300 WM is larger in calibre, it has a longer case, and it generates more energy.
The . 300 Winchester Magnum is a larger cartridge. They both use the same diameter bullet.
No, the 300 ultra mag cartidge is not interchangeable with the 300 win mag.
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
3500.00
1976
1963
It is a more powerful cartridge. The .300 Win Mag tops out at about 4000 ft lbs of energy, vs the .308 at 2800 ft lbs