"The Mongoose Dual Technology Brush is a brush and swab combo that is aggressive fast agile clever and has a great tolerance! The Mongoose allows you to clean quicker from Breech-to-Muzzle. By using a brush and swab in one step even limited breech firearms can be cleaned with ease. This is a quick brush and swab combo for in the field in a pinch and includes Tufcor proprietary core wire. Now you can spend more time shooting and less time cleaning!