My opinion would be heat and/or acetone on the action or barrel for sure. With no worries except maybe damaging the finish/cosmetics.The mini-chassis is an aluminum chunk embedded in the stock, right? I’d be a little wary of scoring the aluminum (or worse) if I only used a dremel.
Here’s a link about using heat, acetone, etc
Gunsmithing - Removing stubborn Marine Tex from action?
I just pulled my action out of my first bedding job. There was a little bit of Marine Tex stuck to the action, most of which I was able to get rid of with a plastic razor blade, or my fingernail. However, there are a few areas where the Marine Tex is actually too thin to pry off, and i don't...www.snipershide.com
Never do that on the stock though.
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