Bore Tech’s patent pending Action Cleaning Tool Wipers are the industry’s most innovative and effective method for meticulous cleaning a bolt action rifle’s locking lug recess and action. The patent pending, flexible molded rubber wipers perfectly conform to the action walls and simply use patches for a thorough and complete cleaning every time.The Bolt Action 2-Lug Wiper fits most popular 2-Lug Centerfire Bolt Action Rifles with 0.695”-0.700” bolt body diameter. Most Remington, Winchester, Ruger, Browning, Savage and Custom Actions have a 0.69