ShotStop Plate | Plate Ratings Explained
This video from Geauga Firearms Academy provides an in-depth look at ballistic plate ratings, focusing on the ShotStop Level 3 Plus DeriDium plate. Instructor Kim explains the NIJ rating system, differentiating between standard levels (2A, 2, 3A, 3, 4) and the industry-added 'plus' designation. The review highlights the material differences between steel, ceramic, and DeriDium, emphasizing DeriDium's durability and lighter weight compared to ceramic. Extensive live-fire testing demonstrates the plate's performance against various threats, including 9mm, 5.56mm, 7.62x39mm, and even a 12-gauge slug, showcasing its resilience beyond its rated specifications.













