Stiff pump action?

[Hatchdog]

^^^^^^^^

That makes sense, just last week I was in the dentist chair getting my teeth cleaned. The hygienist asked me if I used whitening toothpaste which I don’t. I asked her why she asked and she said whitening toothpaste is very abrasive. Sounds like the perfect gun smoothing product

[Mags]

^^^^^^^^
... she said whitening toothpaste is very abrasive. Sounds like the perfect gun smoothing product

I've used it to polish fogged over car head light lens.