Yes it has been discussed a million times, and most say just shoot it. You may never notice a difference, and there's no way to scientifically know anyhow. IMHO cleaning CL every 1,5,or 10 rounds like a CM or SS barrel is silly.
But if you are interested enough to try, it does seem logical you can burnish the bore--and make it potentially more accurate and easier to clean copper out in the future--if you are thoughtful in the beginning. Search on how to polish the throat. But I don't clean at the range...only between outings.
Just my 2 cents and YMMV.
"Men speak of natural rights, but I challenge any one to show where in nature any rights existed or were recognized until there was established for their declaration and protection a duly promulgated body of corresponding laws." --Calvin Coolidge
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