Performance Bulldogs is what Cornerstone is dedicated to breeding and is what we believe to be one of the original working American Bulldog lines. My performance AB's are along the Standard Scott Type lines. Cornerstone Bulldogs strives to produce structurally sound dogs that are ready and able to perform any tasks put before them. We have chosen our breed stock carefully to ensure strong and athletic dogs for extreme performance. Our breed stock are OFA certified and we offer a full Health Guarantee with your pup.