.300 SUPER: The Blackout Killer
[caption id="attachment_16715" align="alignnone" width="600"] The .300 Super in a mil-spec AR-15 magazine above a .300 Blackout round. The Super offers substantially improved performance for those seeking a flat-shooting, hard-hitting .30 caliber projectile out of an otherwise standard AR-15 platform.[/caption] by John Boch America has long been known as…