.50 Beowulf Gel Block Testing, Matt’s Bullets Grand Canyon 635gr HP GC Cast Bullets

Ballistic Gel Block testing the massive 635gr Grand Canyon HP-GC bullet, from Matts Bullets, in the .50 Beowulf. This bullet is normally only available in.500S&W loaded ammunition from Matts but I reached out and asked about loading it in the .50 Beowulf and they sent be these to test!