I've used it 4 times so far and for some reason I'm able to pull of a ridiculous string of headshots with it to the point I've been accused of hacking on several occasions. At first I thought it was simply a stroke of luck, I switched back to the Default Sniper Rifle for a day, The Hitman's Heatmaker the next day, The Classic the day after AND back to The Machina and I doubt it was a coincidence because my bodyshot : headshot ratio weren't impressive with the other variants. The feeling was similar to playing Halo 2 all those years back with all that aim assist (I ain't complaining) What say you? coincidence or do you also notice you're able to inflict more headshots with the Machina as opposed to the Sinper Rifle variants? If you have the game and got some time, give my theory a test.