Lost password Lost your password? Please enter your username or email address. You will receive a link to create a new password via email. Username or email Reset password sending... Name E-mail The development of new part and new ballistic instrument carries on; the epic quest for Perfection never stops, and the only way not to miss it is to choose the right option here. Our newsletters cover the following domains: k31.ch info (ballistics, manuals, development etc.) Shop news (products, specials, etc.) Politics (our freedom, our values, etc.) Of course, your addresses (as any other personal data you trust us with) will be used only for what you have explicitly asked us to do. Never it will be transmitted to third parties without your explicit approval. I see to it personally.