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 random157294683@gmail.com 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.

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Видео Removing a stuck case with a grease gun канала Johnny's Reloading Bench