Worried about size...

[RichsBallPythons]

I start my hatchlings on live adult mice and move on to rat pups after about the first month. The mice are just the regular mice from Petco...not huge, but not small...

Unless your hatching out 80-100g babies adult mice are Way to big. When average hatch ling is 55-65g and adult mouse is 20g. Ive fed fuzzy rats to larger hatchlings in the 70g range and that left a huge lump. Couldn't imagine that size rat which is same as adult mice in a baby smaller

Heres a 120g ball eating a rat fuzzy about 20g in size. Now shrink the snake in half and feed same rat.
http://www.youtube.com/watch?v=1Az4oSc2EDc

Not being rude, but OP wants to get his snake up to size, but suggesting large meals will prolong that by fastings, and or regurges.