Our 20% Ballistic Gelatin Full Swat Block is perfect for terminal ballistics testing for all handguns. The Full Swat Block meets NATO ballistics testing protocol 100%, and completely simulates the testing performed by the NATO. This block is our largest block ever! This size give you 144 square inches of surface area to hit. This block is two and times wider and 3 inches tall than our standard Ballistic Gelatin NATO Block. This block was solely designed for law enforcement agencies use for terminal ballistics testing and data. The weight of this block is nearly 86 lbs making it very stable to shoot rapidly without any target movement. Ballistic Gelatin Full Swat Block can be used by hunters, hobbyist, semi-professional, and professional shooters, all types of law enforcement agencies, and the average layperson. Note: This synthetic gel should only be used for ballistic testing. It is not suitable for medical applications.