.338/.378 Mark V Accumark Ziess 4.5X14
Tried up to 114 gr. reloader 25 everywhere from .050" to .070" off the lands.
Speed was 3260. OAL was 3.830" @ .070" off the lands. ( this won't go in a factory mag & won't feed)"At least with mine" !!!! ( had to make some changes).
Was seeing some...