Suggest who stop?
Hoppes 9 is safe for all o-rings...infact it is what tippman pnuematics suggest you use on their markers.
I have been using it for over 2 years on my mag and my tippy and have had exactly zero problems!
Hoppes 9 is safe for all o-rings...infact it is what tippman pnuematics suggest you use on their markers.
I have been using it for over 2 years on my mag and my tippy and have had exactly zero problems!


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