A.D.D. BOY
I am a little bit reluctant to get involved here because you requested help from Cayugad.
I am going to say I have made these conclusions from your post but I have no way of confirming my beliefs... I believe you are pretty much a rookie at shooting a ML - I was to several years ago and I am still trying to learn more all the time. My next question would be do you have any centerfire experiance?
Here is what I would suggest from the information that you provided in your opening request and assuming that you are a beginner.
You do not say what powder you have but at this point I would say if it is loose powder put it aside for now and get some pellets, I hate pellets but they are a good way to get started- I would recommend some t7 pellets. You haven't mentioned what gun you are using, but if it is capable of shooting 100 grains and you have the gun cleaned abd ready for shootingdrop 2 pellets down the barrel and load the PowerBelts that you pruchased for now. Leave the sabots and bullets out of theequation for now.
The goal here is to get you shooting - shooting at an approved site and shooting safely. When you start shooting you will learn a whole lot in a hurry.
Good luck and I really hope some of this information is informative and helpful.