The Sport Ridge Chamber Brush .308 03971B is a high-quality cleaning tool designed specifically for .308 caliber guns. Made of bronze and aluminum, this reusable chamber brush is durable and efficient in removing buildup and debris from the chamber. The multicolor design adds a touch of style to this essential gun maintenance item. Perfect for hunters and shooting enthusiasts, this chamber brush from Sport Ridge is a must-have for keeping your firearm in top condition.