In 2014, American firearms designer Jim Sullivan delivered a online video job interview pertaining to his contributions into the M16 and M4 loved ones of rifles when Doing work for Armalite. A pointed out critic of your M4, he illustrates the deficiencies located in the rifle in its existing configuration. https://m4-ras65937.blogdomago.com/28838972/facts-about-knights-armament-m4-quad-rail-revealed