I found the Mang accurate enough, but too muzzle-heavy to be shot well. I'd shoot 10, 9, 10, 9, 9, 8, 9....with the point of impact slowly drooping. Got a Hege-Siber and shot as well with my first target as the Mang had ever done in my hand.
Right now, I'm shooting a Baumkircher underhammer...