Unlikely, but, anything is possible.
A few hundred to tens of thousands depending on EXACTLY what you have, condition, accessories, box, papers, etc.. its it very good to excellent condition in 264 win mag caliberl
It should be marked on the barrel. There are other 7mm rounds besides the 7mm Mag.
One is longer, one is shorter.
Depends which 7mm your talking about. The only 7mm I know of that has a larger case capacity than the 300 wby mag is the 7mm Remington ultra mag or 7mm rum
DO NOT DO THIS!!!! The OAL on the 7mm Mag is 2.5 inches and the 7mm Weatherby is 2.55 inches. SInce they headspace on the belt, and due to the freebore in the Weatherby, the 7mm Mag may chamber in the Weatherby. SAAMI lists the 7mm Mag/7mm Weatherby as an unsafe combination one will probably chamber in the other. DO NOT SHOOT UNLESS YOU ARE SURE YOU HAVE THE RIGHT AMMUNITION!!!!
The 7mm Ultra Mag is a Remington cartridge. THE model 70 is a Winchester rifle. Winchester does not chamber the Model 70 For the 7mm Rem. Ultra Mag cartridge.
The 7mm mag has mare pressure that a 270 win.
no!!!!!!!
Out to 1000m or so
284
that would depend on which 7mm cartridge you are referring too. ie 7mm-08, 7mm Rem mag, etc
please include the serial number in your question to get the correct answer.