You could be canting the bow a little witch deffinitly(spl)will show up at 40-yrds and beyound,I was not one for shooting 40yrds and farther and couldnt group well,I was ether left or right then I started to pay attention to my level on my siteand now thru lots of practice I do very well(heart/lungs) at 40-60yrds.....