Removing a stuck case with a grease gun

It's time to try removing this case that's stuck in the chamber of my Krieger 308 AR-10 barrel. A generous viewer made an adapter to connect a grease gun to the muzzle. Can hydraulic pressure get the job done? Want to borrow my barrel adapter? Email me at [email protected] If you fail to return it in a timely manner I will publicly shame you on video and then falsely report you for a horrific crime.   / johnnysreloadingbench     / reloading