Unregistered Member (Login ppcgunner) Posted Mar 13, 2017 12:09 PM
I use an RL550B and have loaded thousands and thousands of rounds using federal primers and never ran into an issue. The only problem I have ever had is when a .45 casing with a small pistol primer sneaks into my batch of brass, but that's my fault.
I've loaded probably 40,000+ rounds of .38, 9mm and .45ACP and my RL550B has worked flawlessly for me. If I ever bought another press it would be the new RL550C, if I couldn't find another 550B.