By request, AR500 tested its Level III Hard Body Armor against 12-gauge, 1-ounce slugs at 30 yards with PAXCON Line-X Spall and Fragmentation Mitigation protective coating. While the rounds will not penetrate, will they be contained?
Source Article from http://www.guns.com/2015/02/01/pitting-body-armor-against-10-ounce-12-gauge-slugs-video/