Quote:
Originally Posted by alanint
A friend of mine blew up an M16 by extensively firing lead .22 rimfire through it full auto with a conversion unit then swapping back to .223 without scrubbing out the barrel. After I saw that, I built a dedicated .22 rimfire upper for my M16 and use that, and only that, with .22 rimfire.
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Word on the street is that you just have to shoot some .223 to get the fouling out, so thats good info. I shoot quite a bit of .22 through my Bushmaster, so I will definitely be cleaning it after each session.
