Better safe than sorry. Yeah, send it in with a note, an honest one, stating what occured and the load you used, again, be honest. If it's safe, you'll be good to go with maybe just a cylinder and base pin proberly. If it's more than that, well, lesson learned adn you buy a new gun.
A definate eye opener that turned out safe fortunetly - another reason to be honest with them. A perfect examle of double and trile checking your loads.