Just keep them loaded …
FWIW, VT just had its 4-day early anterless-deer only MZL season (31Oct - 03Nov), where their late MZL season is the 2nd week in DEC. At least 4 of us usually go, but only those who are successful drawing doe tags for the early season, of course.
Those who hunt the early season load up, using Track of the Wolf’s mink oil lube. Those who don't will also load up for the DEC season and a few even carry their MZL'drs when then hunt thick tracts of woods in the NOV regular Rifle season. All of us will then hunt through the DEC season in VT and then at least 3 out of 4, sometimes all, will also hunt the January to follow flintlock-only season that begins after Xmas down in PA.
Those who don’t take a shot or bag a deer will KEEP THEM LOADED and then all of us will show up at the annual VT Primitive MZL Biathlon always held on the 2nd weekend of the month in February (going on my 18th or 19th year). As a test, we’ll take our loaded MZL’drs to the biathlon practice range & shoot at one of the gongs, with fresh prime.
So far, after 10 or more years of doing this, EVERY loaded MZL'dr rifle has gone off and every gong has been hit. Now I will add that we take care to keep our loaded MZL rifles out of ‘warm environments’ and none have suffered any ill effects from the long-term loading.