We test the SONIC SURGE projectile - You make it, we MACH it

Today we have another design by Evan. A long, heavy slug with a steel core and a ferrous metal jacket. Watch how Evan created this: https://www.youtube.com/watch?v=kzCu5yKbgms Gregg's Channels: @OGsDangerMountain208 @OGsDangerShow