This extra-large ProMat features detailed schematics of two of the most popular firearm models the AR-15 and the Glock Gen 4. Each component is clearly illustrated, providing accurate visuals for easy reference during cleaning and maintenance. Combining these two widely used models into one mat offers the best of both worlds, making it an essential tool for any gun enthusiast. Keep your workspace organized and ensure you have all the information you need at your fingertips with this comprehensive gun cleaning mat.