August 6, 2013 Dave explains his field cleaning procedure for the Huldra 5.45 Upper, which takes less than six minutes. Share this gun video: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Tumblr (Opens in new window) Tumblr