Walther PPQ troubleshooting and basic maintenance are covered here. This video covers everything you need to know to problem solve and maintain your Walther PPQ. Your PPQ will serve you well for years! These troubleshooting tips will cover everything from failure to feed, to failure to eject. The basic maintenance and care include springs and parts that you should monitor every 5000 rounds or so. If you still have any issues or questions please contact customer service at: CustomerService@WaltherArms.com