. The National Shooting Sports Foundation has estimated that  approximately 5 million to 10 million AR-15 style rifles exist in the  U.S. within the broader total of the 300 million firearms owned by  Americans.
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Likely more than 10 million AR-15's out there 
Good luck KumHoeLa - if you think you will confiscate America's most popular weapon from Middle America - You may well spark Civil War and outright revolt in Middle america
The Coastal sheeples have been disarmed - except for florida - so let their OBLM and Antfa enforcement brownshirts come around to collect Ar-15's door to door. 
Good luck with that - marxist DPST radicals!