19 quantity left at this moment (50 ct bags).

This isn't something we can even order as an OEM component right now. It's new old stock, so if you need it, we don't expect to have it again $64.95 per bag of 50:

https://ravenrocksprecision.co...-savage-brass-50-ct/

As far as cartridge conversions go, the 303 Savage really doesn't apply to making them from another case. As P.O. Ackley said, "SOME people think you can make 303 Savage brass from 30-30; don't do it!" Anyone wanting to reload for their M99 should buy this up, as you don't see it much anymore.