i have 2 enfield .303s. 1 savage and the other made in canada,
Not really.
Head diameter on the .303 Savage is .442.
Head diameter on the .30-30 family of cartridges is .422.
.02 is getting to the point where you don't really want to try it.
A better route is to head swage .30-40 Krag cases.
This is one reason for my ongoing campaign to stop people from generically referring to the British military rifle as a "three-oh-three". It's a LEE-ENFIELD, people!