i bought a badger cantilever slug barrel for my rem 870.best groups were 3 inches with remington accutips.second best winchester bri 3 1/2 inches.this is at 50 yrds. off a lead sled rest.ive tried lightfield,federal expanders,hastings,winchester platinum and it srayed them all.all mounts and magazine cap are tight.im not bashing badger barrels,but i sure was dissapointed.should i just live with 3 inch groups at 50 yrds or try another barrel?i can get a hastings economy cantilever barrel for about 140.00.any suggestions?