Reddog being new you will still need to get the right spine arrow for your bow set up at least close,find your draw length, draw weight of bow,point weight,and then an arrow that coincides with that, if shooting carbon or aluminium the charts are usually on the box the arrows come in, if using wood ask where you bought them.this will get you in the ballpark and once you progress your shooting you can spend the rest of your life tinkering.If you get arrows way overly spined or underspined your arrow could fly to erratic. Make sure when you buy arrows you let them know your setup so they can help you better.