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**44 AMP** · December 7, 2014, 12:57 PM

While the rim is essentially the same size as the .30-30, the .303 Savage has a thicker body (0.02") at the case head, and at the shoulder. It is also 0.02" shorter than the .30-30 case, over all.

The .303 Savage was often factory loaded with 190gr bullets, which made it "big medicine" compared to the .30-30's 150 & 170gr slugs.

I think you might be able to form some cases from .30-30 brass, but It would have to be done carefully, and while I think you could get something that will shoot, I doubt case life will be "normal" compared to using the correct brass.

December 7, 2014, 12:57 PM	#17
44 AMP Staff Join Date: March 11, 2006 Location: Upper US Posts: 28,839	While the rim is essentially the same size as the .30-30, the .303 Savage has a thicker body (0.02") at the case head, and at the shoulder. It is also 0.02" shorter than the .30-30 case, over all. The .303 Savage was often factory loaded with 190gr bullets, which made it "big medicine" compared to the .30-30's 150 & 170gr slugs. I think you might be able to form some cases from .30-30 brass, but It would have to be done carefully, and while I think you could get something that will shoot, I doubt case life will be "normal" compared to using the correct brass. __________________ All else being equal (and it almost never is) bigger bullets tend to work better.