Yesterday I bought an H&R Pardner Pump 12 gauge with the 28" barrel from walmart. I also bought an H.S. Strut Undertaker ported turkey choke and some Winchester Supreme #5 3" turkey loads for it. Today I went to pattern it at 30 and 40 yards and it would consistently pattern about 10" low. With regular 2 3/4" birdshot it patterns right where I aim. My question is; to get my shot pattern up, should I try different turkey loads or should I get some of those turkey sights that mount on the rib of the barrel?