If I was only going to hunt deer here in Indiana, I'd use my 358 Hoosier for gun season. Then my TC Omega for muzzleloader.
If I was only going to hunt deer in KY, it would be my .260 or 6.5 SAUM.
If I was only going to hunt deer out west, it would be my 6.5 SAUM.
But then, if I was only going to hunt deer in Illinois or Iowa, I'd use my 1187 12 gauge scoped slug gun.