I had a brand new AR-15 blow up at the gun range. S&W will not fix or replace the weapon after inspection. They claim that it was caused by defective ammunition. I was using brand new Remington ammo in the gun and while firing the gun it blew up and jammed. The gun jammed so bad that it could not be cleared of the round.
Two weeks later my friend, which has the exact same gun had the bolt action not slide all the way forward. After seeing this occur with his gun we believe that this was what happened with my gun and cause of the blow up. The only way that you would know that the bolt had not traveled all the way forward was by looking through the side opening where the empty ammo case is ejected from. It doesn't seem very practical that you would have to check the weapon like this before firing it. What should I do next?