[PDF] Safety & InStructIon Manual PPK-PPK/S pistol this firearm and its accessory. Under no circumstances shall WALTHER be responsible for incidental or consequential damages with respect to economic loss or injury to per-son or property due to negligence, improper use, failure to following instructions in this manual, unsafe handling, failure to maintain the pistol, unauthorized replacement of Umarex USA. Product Manuals A listing of Umarex airgun manuals sorted by brand. Click the link to download a PDF file of the manual. For the most current manual, please check the individual product page.