Waste of money. I use 250gr Shockwaves with only (2) 50gr pellets of Pyrodex and get out to 200 yds with no problem. If you want to shoot that far obviously practice at that distance because it is way out there. Bullets, load and powder are all players as wether or not your gun can get out there that far, experiment with all and you can find what your guns likes. Good Luck but in my experience all my deer lately have been under 50 yards.