In 2014, American firearms designer Jim Sullivan offered a movie interview concerning his contributions to the M16 and M4 family of rifles even though Operating for Armalite. A pointed out critic in the M4, he illustrates the deficiencies found in the rifle in its current configuration. From the video clip, https://beckettlasbj.blogprodesign.com/51503254/not-known-factual-statements-about-kac-ras-rail