Created to make sure your weapon is clean, the j. Dewey sako adjustable bore Saver is the perfect way to make sure your weapon is free of unwanted materials, that can cause damage to your weapon and it's accuracy. This gun Cleaner from the expert engineers at j. Dewey was developed using top of the line construction and materials, to provide you with a gun cleaning tool that that is efficient and reliable. For the perfect way to make sure that your weapon is free of fouling, choose the j. Dewey sako adjustable bore Saver.