Our blended wool mops and swabs mop up oil, leftover solvent, debris or other moisture to protect the bore of your favorite shotgun, rifle or handgun, These mops/swabs are an important step in the overall gun-cleaning process to ensure accuracy at the range and in the field, Precise brush diameters to assure complete bore coverage on specific calibers, Blended wool minimizes lint buildup and is easy to clean, Maximizes absorbency to reduce overall cleaning time, Specially-engineered looped core and tip to protect muzzle, chamber and rifling, 0, 40 - 45/458 Cal, SKU: FBO42217