Hubertus Rubber Ball

The Hubertus Rubber Bolt Knob is a black rubber knob that can be mounted on the bolt of almost any shotgun. It is a valuable accessory, because it allows you to bolt much faster "faster than without". - A must on every shotgun.

The Hubertus Rubber Bolt Knob is useful for any form of hunting that requires fast repetition, such as Druckjagd. Because it is made of rubber, it reduces the risk of slipping on a smooth metal knob.

To mount it, add a small drop of clean oil and push it onto the bolt knob. This Hubertus Rubber Bolt Knob fits almost all shotguns with a round or cylindrical bolt knob.