Having had a few Gobbs hang up, at the 50+ yard mark, I decided to try out a bow of Hevi for my 12 Guage. They are quite salty for only 5 rounds and planning on trying 2 of them for patterning this week.First time user! What can I expect from the 3" 2oz load of 5'S? How much better than Copper/Lead? Is it that more pronounced in yardage? Thanks!