Tested some PP4000MR with 208Amax yesterday. New 26" Criterion "Rem-Age" SS, 1/10, 4 groove barrel, varmint profile. Short throated, my 208Amax only measured 3.388 to the lands, testing OAL was at 3.368". All loads using once fired Rem Brass, annealed, and flash hole uniformed, CCI BR primers...