Glad we agree that those conditions are reasonable Oak tress are a problem both in the fact they can deflect bullets and can diminish ones view. As to the window, well if you believe in an accurate representations, then lets see a better recreation It is not up to me to explain the difference but to simply point out there is a difference I guess you could say there is a bit of guiding principle that would suggest a cramped space provides more difficulty than an open air experience in terms of ease in shotting, but I would have trouble explaining it to you any further than that