When I bought my Norinco M1911 from a friend, it had the brown plastic "GI" grips on it.
The first time I cleaned the gun, I sprayed Outers spray cleaner into the frame to flush out any debris. When I went to set the frame down, I COULDN'T! The cleaner had melted the grips to my hand. Apparently they were made of some garbage plastic akin to polystyrene used in model airplanes.
I threw away the wrecked grips and ordered a pair of Ajax fake ivory grips. They look great.
