anotherreloader123 Nov 23, 2023 I do not actually have any 300 rcm brass, I assume you saw the post I made on necking 7mm prc up to 300 rcm and trimming it. That's the only thing I see that can be done to get 300 rcm brass.
I do not actually have any 300 rcm brass, I assume you saw the post I made on necking 7mm prc up to 300 rcm and trimming it. That's the only thing I see that can be done to get 300 rcm brass.