April 5, 2014 More “science” from MattV2099… This time he inserts a red hot muzzle brake into Hoppe’s No 9. 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)
