I had a LWD 6". All sort of ejection, chambering problems. Simply unreliable.
I now have a KKM 6". Awesome! Fully reliable for thousands of rounds.
The best for some people to learn is to make mistake on their own. I did.
Like SJ indicated, there has been tons of postings on this issue the last 2-3 yrs. Take time and read them through, would be my suggestion.