Here's what Glock put together for the competition. I think the Army made the right choice.
Can't seem to get the photo link to work, maybe someone else can do better than I.
https://kitup.military.com/2017/06/glock-inc.html And here's a link to the response from the government on Glock's protest.
http://www.thefirearmblog.com/blog/...glock-mhs-protest-decision-released-gao/