AR500 Steel Armor Plate vs 50 slugs Posted September 8, 2014 in Ammunition, Other Gear & Gadgets, Shotguns by Nicholas C with 14 CommentsTags: AR500, armor, plate carrier, slugs Demolition Ranch tests out an AR500 armor plate against 50 slugs. The most challenging aspect of this test appears to be finding a method of holding the AR500 steel still for multiple shots.