![An Easy Way to Train With 300 Blackout. Barnes-8](http://www.theshootershangout.com/wp-content/uploads/2014/09/Barnes-8-140x140.jpg)
An Easy Way to Train With 300 Blackout.
by Clay Martin on August 26, 2014 Recently, GunsAmerica has been diving into all things 300 Blackout. Today’s spotlight is on a very special set from Barnes Precision Machine–an AR-15 with uppers in both 5.56 and .300 AAC Blackout. Why two upper receivers? That is the brilliance of the Blackout. 300 AAC, designed from the […]