Originally Posted by
NORTHOF60
It looks as if you have the standard Ross 1905 Mk II R factory sporter. This is a cock on closing action, and it should have a push button safety on the bolt handle, and two action screws at the front of the floor place. I suggest that you soak the receiver/barrel junction with penetrating oil overnight, before you use brute force.
If your rifle has a cock on opening action, has a flag style safety and three action screws at the front of the floor plate, then you probably have a Ross 1905 Mk II** action, which requires a barrel vise and action wrench to remove the barrel.