How about some dissassembly and sub assembly pictures of that A-bolt for comparison?
Here is one disassembled photograph of a stainless a-bolt.
If you want to see an overcomplicated trigger assembly,the one below is that of an A-Bolt.It failed to fire after a week of hunting in the rain because despite the fact that it is a stainless rifle,that bit of corrosion on the long vertical rod caused it to jam.
http://img.photobucket.com/albums/v136/BrianW/gun%20stuff/P1000313.jpg