I AM INTERESTED IN THE HEVI13 3IN 6SHOT BUT ARE THEY REALLY THAT GOOD? CAN YOU REALLY SHOOT 50-60 YARDS AND STILL GET THE PENITRATION NEEDED TO KILL. I AM CURRENTLY SHOOTING A CUSTOM LOAD 3" 4\6 THAT HAS BROUGHT RESULTS BUT I AM ALWAYS LOOKING TO INCREASE THE ODDS IF POSSIBLE