AR15News.com 300 AAC Blackout Build – It’s all coming together!!
Posted on February 27th, 2012 by ar15news
The parts for our AR15News 300 Blackout Upper build have pretty much all finally arrived. I’m getting really excited to get this assembled and shoot it. So far we’ve shown you the barrel that we’ll be using and also some smaller but important parts. So that basically leaves us with three final parts to introduce. They are the Upper Receiver, Rail System and Gas Block. There will be at least three more posts after this one where we’ll show you what our 300 Blackout Upper looks like once everything is installed, a few accessories that will complete the setup and then a comparison writeup on our range time with the 300 Blackout round. Check out the pics and specs of the remaining parts below. Continue reading “AR15News.com 300 AAC Blackout Build – It’s all coming together!!” »






















































