I use the mossberg 500. I recently purchased the Mossberg XXfull choke and tested out a few shells with this. The Federal Magshok with flite control wads (#5 shot) gave me awesome patterns at 35 and 40 yards. At 40 yards I averaged around 25 in the head / neck vitals and a very uniform pattern around that. The winchesters did pretty good also but not as good as the federals. Also the HEavy weight federals didnt perform very well for me.