no even though the projectile (Bullet) is the same diameter and weight, the cartridge cases are very different, the 7mm rem mag is a belted magnum, and is larger in length and diameter than 7mm mouser cartridge. in other words the 7mm magnum is too big to fit in the M24's chamber
No. Two entirely different cartridges.
30/30, .243, 250 Savage, 300 Savage, 308 Winchester, 7mm Mauser
The only way to know is to shoot and adjust
50-200 or so
Yes.
rsi would say the value of the spanish mauser and bayonet value at 695.99 dollars
Define 7mm. Do you mean 7mm Mauser ( a little less than 30-06), or 7mm Magnum, (a bit more than 30-06)
You will have to call Browning with the serial number.
No, they are not interchangeable.
The serial number indicates a Model 1893 Spanish Mauser manufactured in 1921. Yes, it would be a 7mm with gas exhaust hole on left.
Bayonet; 10-50 USD
NO!!