In 2014, American firearms designer Jim Sullivan furnished a video interview regarding his contributions to your M16 and M4 family of rifles when Doing the job for Armalite. A noted critic of the M4, he illustrates the deficiencies located in the rifle in its present configuration. While in the movie, https://rasrail29528.tkzblog.com/29410318/what-does-knights-armament-m4-quad-rail-mean