Bore Tech Action Cleaning Kit Large Rifle Tare weight without attaching hardware Using the drawstring Tare weight without attaching hardware is 220g They are made without internal parts and intended for use only to resize cases which have become increasingly difficult to chamber after repeated firing and neck sizing flexible molded rubber wipers perfectly conform to the action walls and simply use patches for a thorough and complete cleaning every time Bore Tech’s Action Cleaning Tool Kit is the industry’s most innovative and effective action cleaning tool specifically engineered for meticulous cleaning of a bolt action rifle’s chamber