Hi all this was my 3rd range trip with my Heym 500 nitro. First couple range trips I was really trying to get use to the rifle and the recoil! This time around I shot on paper with my reloads. I purchased a significate amount Woodleigh Bullets 570gr RN SN and Banded Solids. The solids were grouping much better then the SN. I reloaded the SN with 95gr of RL15 my goal is to get tighter groups using these bullets given the difficulty of finding other bullets. The picture below was shot off hand at 50 yards. The green were the solids and the red are the SN. I shot 5 different targets with similar results. My question being, will different powder, amount, or any adjustments I can make to get better groups using these bullets ? Leaving on Friday for a hog hunt and do my first hunt with my first double!