Ryan was using 23 mils of elevation and dialed in 3 mills for wind, and was only to get the occasional hit thanks to a swirling wind and apparent instability as the bullet dropped from trans-sonic to subsonic.

I don’t think all that much of the 300 BLK. If I’m going to shoot a centerfire AR-15 chambered in a caliber other than .223 Remington/5.56 NATO, I’m going to take the 6.5 Grendel over the 300 BLK every time.