In 2014, American firearms designer Jim Sullivan furnished a video interview about his contributions for the M16 and M4 family members of rifles though Doing work for Armalite. A noted critic with the M4, he illustrates the deficiencies found in the rifle in its recent configuration. In the video clip, https://kac-m4-rail74837.blog-a-story.com/9617383/facts-about-kac-quad-rail-revealed