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No, I haven't personally tried the 10 rounders - I know fellows who have with varying rates of success - Apparently they can be modified to work but I've been around Anschutz rifles a long time and even the factory 10 rounders are known to have issues. I currently only have one which feeds reliably and it is fitted with a CZ metal follower adjusted to feed at the correct angle. I also had to modify a spring to suit!