.008 is a miniscule variation - average sheet of printer paper is .11 - took 3 different brands of large rifle primers + seated them in 4 different brands of .45 acp brass with Lee priming tool - not one projected out from brass - checked with both a caliper + single edge razor blade drawn across case head - not one primer was crushed + all fired in a 1911 auto + 1917 revolver -