T’was nearly four years ago to today that we gave a review of the Metadyne Havoc Launcher Breech Upgrade Kit – an awesome upgrade for the awesome Metadyne Havoc Launcher. It’s still one of the most fun reviews that we have ever done, and today’s flashback review? It’s showcasing one of the best upgrades for the Metadyne Havoc Launcher. Without further ado, here’s our review (but you already know you have to have this upgrade, right?).