I bought my first MZ around 2002 or '03. The model was a CVA Musket Mag. supposedly capable of a 150 gr. by volume charge. I didn't pay much for it and the barrel steel looked somewhat questionable. Having only an 24 in. barrel, I was never tempted to go beyond an 100 gr. BV charge. I friend had purchased a similar rifle. We later heard that some of these guns were suffering serious failure. CVA stated that guns with a certain serial # were the ones affected. Tonight, while doing a little research, I came upon this:
http://randywakeman.com/DangerousMuz...rsAHistory.htm .