It is designed to be fired even from choked and rifled.
It acts like an under-gauged.
The K.O. CleanSpeed rounds, with more than 30 German championship titles and the Vice-European championship 2006, has proved its sporting suitability impressively. It provides high precision, low recoil*, and is suitable for pump action and semi automatic shotguns. In addition, the CleanSpeed coating reduces lead fouling of the barrel by 99.83 % (according to TÜV expert reports). This improves the precision of the weapon and greatly reduces cleaning time as well as the risk to health caused by the lead.
For all types
of shotgun barrels, smooth and rifled, with or without choke.