While this topic isn’t Colt, it is a neat piece of modern AR history. Additionally, I am a huge supporter and minor contributor to the “Vickers Guide AR-15” series.
This is reposted from @vickersguide on Instagram. Here’s the full reveal for yesterday’s cartridge quiz. Yep, looked like the .50 Beowulf, but in fact is the .499 LWR cartridge (jacketed soft point in this case) for which the Leitner-Wise .499 U.S. Coast Guard rifle was chambered, which we will be covering in more detail.