The disillusionment came unfortunately quite quickly as the trigger of the gun for the Wii mechanically operated the B-button (I wonder in all seriousness, how people arrive at this price to the idea that it could be solved electronically!), But unfortunately not on any use of the trigger responds. By the way I put the two guns even a different sensitivity of the trigger firmly.
A courageous grip the screwdriver / screwdriver, the Guns screwed, the trigger removed (Be careful with the spring, so that is not lost!) And a few rounds of tape around the part of the lever which abuts the B button and everything reassembled. And surprise, surprise! The deduction works reliably also is nothing to see from the tape because the Wiimote covers the tinkering. So if problems with the trigger has: This is a practical and economical solution and represents an alternative to return!