Walker's Over-Engineered SEEJ Engine

My modifications to the SEEJ starter Set from 2013- I liked the pennies rather than the cannonballs.
Overall, changes have been made to pretty much every element.
* The struts are thinner and the axis has been moved.
* I made it a little skinnier overall, just to save plastic.-- I've noticed that this is a flaw and I'm going to make a wide-body version soon
* The atlas is deeper and includes some sights for aim.
* The rear bar includes a trigger system- The pins are pretty tiny, though, a