Having problems loading 2nd and third shots.

I loaded with 2 t7' s and 245 aero tips. The first loades verry smooth. The second is ok untill the last 2-3" . My palm is still red from loading, two days ago.

Also, the ram rod is a little short. I loaded a fer Hp' s with 2 t7' s and it left close to 1/4" to hold on to.[:@]

I' m still trying to zero it in. I' ve only had a few hrs to mess with it(working 2 jobs). Where would be a good Zero point? Right now it' s close at 100yds shooting two t7' s and 245 aero tips.
that should be 1704 fps, and 1580 foot-pounds. I' m sure thats enough energy, but what' s a good standard that' s needed?