Here is a piece one of our guys did on the Ruger American Ranch in 300 Whisper aka 300 Blackout.

http://www.nrafamilyinsights.org/article.php?id=8042&cat=3&sub=6

Here is a test report that details the results of the Polycase ARX bullet on an approx 175 lb Whitetail Deer.

EDGE Research Test 7 11252014