Every one I have seen (about 20) has arrived in a cardboard box. They were heavily oiled, but not packed with Cosmo. Took mine all apart and gave it the once over anyhow, though.
Berger ,clean Your Bolt Well ,mine Sprayed Oily Crud Out All Over My Shooting Glasses For The First Shooting Trip.it Was Not Cool .!the Stuff Cleans Off Easily.