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Just because your last 3 digits are a "low" number,,, does not necessarily make it a low production firearm. UNLESS,,, it has it's own special prefix & not mixed in with another model. A good example was a friend was showing me his "2 digit guns" once. 82-00011 & 82-00012. He THOUGHT they were rare,,, until I pointed out the fact they were just the earliest ones with the 82 prefix.
So, depending upon the model & how it's full serial number is,,, they may be low or not. Share more & we can help more!