A website you may find of interest

[midnight rambler]

http://westernrifleshooters.wordpress.com/

[Cebu_4_2]

I'm in the mechanical area myself...

[midnight rambler]

From the link in the op -

https://westernrifleshooters.files.wordpress.com/2014/12/cop-isis.jpg?w=500&h=500

[midnight rambler]

If you look around the table and can't find the rube, you're it.

http://straightlinelogic.com/2014/12/09/deal-us-in-by-robert-gore/

[midnight rambler]

If you carefully peruse that website you will find some very interesting and useful things.