October 22, 2014 A ballistic gel test of Lehigh Defense 357 Mag Xtreme Penetrator ammunition. The test pistol is a Smith & Wesson Model 19. 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)