If you aren't interested in saving the pelts and it is safe to shoot your .25-06 on her land, then blast away with it instead of buying a new gun. If you have some lighter pills for the .25-06 you will be in business for putting some serious hurt on those dogs.
There is no reason to buy another gun really, unless you are going to go down to a .204 Ruger or .223. The .25-06 will not do any more damage to a pelt than a .243 will, and it will kill them just as dead, so buying a .243 would be a waste of money IMO.
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Last edited by allaroundhunter; August 22, 2012 at 11:30 PM.