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Old May 8, 2013, 06:46 PM   #13
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Join Date: June 17, 2010
Location: Virginia
Posts: 3,915
...difficulties conceptually figuring out how bolt speed would increase the ejection forces...
The brass is effectively "flung out" with the same speed of the thing that's carrying them when the case mouth
clears the front of the receiver cutout. So ejection speed becomes effectively the same as bolt speed at that point.

And if the bolt is being over-driven relative to restraining forces (i.e, the buffer spring), well.....
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