[Rockland]

Originally Posted by JorgeCCW

I’ve been debating on this one for a while and decided to jump on it . My surprise when I got it is that AP already started the K series plus you don’t see now the big booklets now . It might be old news to some but I was News to me. Anyhow here it is










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Forgive the newb question.
What does K series (or J series for that matter) refer to?