Here's what to do:
Look in the upper right corner of the screen that you are looking at now.
It says Longrangehunting.com with a white right arrow. Hover over it and it shows "Search LRH Here!" Enter "leich 1600" into the google search window. Then search.
Then read till your hearts content.
Here is one of the threads: Leica 1600 v. Swaro side my side