The Mosin Nagant – we all know it, but what happens when you take a classic Mosin Nagant rifle, rechamber it in .500 S&W Magnum, and modify it to accept AR-15 magazines? You get one of the most absurd and powerful Bubba rifles ever made. With weaker loads, it matches the muzzle energy of a .308, but with full-power reloads, it’s as potent as a .338 Win Mag. In this video, we take this Frankenstein rifle to the range, test its performance, and see if it’s as ridiculous to shoot as it looks. Spoiler: It absolutely is. Watch for epic recoil, hilarious design choices, and the pure chaos of a Mosin Nagant on steroids.