The Gun Boonie is the ultimate waterproof and breathable scope and action cover. It removes easily with one hand. The small boonie is designed to fit AR style rifles scoped or with just the carry handle. Helps keep dirt and moisture out of your action and prevents your optics from getting etched by blowing sand. The small size fits scopes up to 7" in length and up to a 40mm Objective. The medium size is designed for long-guns and fits scopes up to 13" in length with a 50mm Objective. NOTE: All sales on this item are final.