Our friend, "Top Shot" winner Iain Harrison, is now media relations manager for Crimson Trace. He was kind enough to invite me down to Texas to test the company's lasers on a repugnant invasive species, the feral hog. While I made good use of the MVF-600, Harrison tested a .50 BMG rifle he built on an AR lower receiver. Turns out he's quite handy with the gun mods. The gun is loud and the concussion will knock you off your feet. Here's a couple of videos of Harrison sighting it in: