Like the standard scoped .44 magnum, Blackhawk is a powerful, accurate sidearm. It deals more damage than a sniper rifle, and holds a single bullet more. It has no recoil when looking down the scope and firing.
Callahan's magnumBroken Steel - Named after famous gunfighter and security guard Harold Callahan, Callahan's magnum is the more effective version of Blackhawk, dealing more damage with less wear and tear.
Paulson's revolverMothership Zeta (add-on) - Drawn by space cowboy Paulson in the hostile confines of Mothership Zeta, it lacks the scope and fires a slew of pellets instead of a single bullet.
Wernher's scoped .44 magnumThe Pitt (add-on) - An unobtainable version of the scoped .44 magnum carried by Wernher. It has significantly higher health but is otherwise identical to the standard variant.