I would say, first and easiest, lube the op rod spring and channel and try it. I know...It doesn' t make sense. The rifle is short stroking.
Edit....use grease, not oil. GAA was spec'd, it is a light low viscosity grease.

Last edited by flintlocke; 09/20/21.
Well this is a fine pickle we're in, should'a listened to Joe McCarthy and George Orwell I guess.