The advice to experiment is a good one.
My most accurate CF rifle prefers a well fouled bore. Once accuracy drops off
(groups showing the odd flyer and then gradually opening up to double the size is the tip off for this gun) the barrel needs a really good de-coppering but I don't take it to bare metal. It then takes maybe 10 to 15 rounds to settle back down (there must be a lot of tool marks in this barrel). I generally keep it dirty till the season ends.
My best 22LR goes forever without cleaning. When the miss rate increases, it's time for a cleaning. The chamber needs more frequent cleaning due to lube buildup.
My deer rifle is still new so I haven't noticed what it likes and dislikes. It's not a tight shooter anyhow, so I don't worry about it.
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