I just purchase a new Benelli nova. The first day shooting clays I shot under 50 shells. then I noticed the chamber wall on the top has a long piece that cracked off. also the first shot jammed and a couple other ones. towards the end it really didnt jammed as much. I used winchester super-target 2 2/3 shells. What should I do about the crack will benelli fix it for free. Then why did my shells get stuck after I shot. I thought the Benelli should be reliable?