June 20, 2013April 29, 2013 An introduction to the Huldra Mark IV line of piston operated AR-15 rifles. Share this gun video:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)
