With extracts, as long as you're following the instructions and measuring your water correctly it's pretty near impossible to be more than half a point or so off your target gravity. It is, however, very common to for brewers to report a low OG reading due to not thoroughly mixing in their top-off water. It's harder than you'd think to really mix the concentrated wort from a partial boil with clean water homogeneously.
Stop using so much caramel malt. Your beer will thank you.
(yes, Carapils is a caramel malt...so is Special B)
pujwI HIq Mild Ale
KPA Khitomer Pale Ale