I purchased an M4 about a month ago and fired approx. 100 rounds through it. 2 3/4 in., 3 in., Winchester, Federal, Remington, steel, lead, composites, you name it. I have NEVER been able to fire more than 2 consecutive rounds through it without a FTF or FTE. Not only am I angry with my purchase, I am embarrassed for Benelli. What a marketing sham. I should have gone for the $250 Mossberg - I am confident it would have out performed Benelli - **** it could not have fired worse. Benelli, if you are paying attention, I want my $1500 back!