Why choose Intruder in a Box over standard ballistics gel?Ballistics GelBallistics gel must be mixed, molded, chilled — and kept chilled. This process is time consuming and exhaustive with little consistency. VS Intruder in a BoxThe Intruder in a Box is assembled and ready for use, as well as temperature stable (32F – 132F) and consistent.All you have to do is safely walk the Intruder in a Box down range.Other Important FeaturesPrecise.Affordable.