I polished my barrel out this year and for what it is worth, here are my results.
40 yds. Before
Vital (spine and skull) .................... 2
Head and Neck ............................. 44
Whole page (10in. by 10 in.)........... 95
40yds. after
Vital ............................................. 7
H&N............................................. . 37
Whole page .................................. 119
60 Yds Before
Vital ............................................. 2
H&N ............................................. 13
Whole page .................................. 29
60 Yds After
vital ............................................ 4
H&N ............................................ 13
Whole Paper ................................ 36
Even thongh the head and neck hits stayed the same or went down, my vital hits and over all pellets went up which shows that it is a better, more even pattern. At both distances my overall pellet count went up 25%.