The MR-P features an all-steel compensator which directs propellent gasses upward and keeps the gun on target. Shadow Systems compensated guns are designed to function in adverse conditions. We prioritize reliability but still provide the most controllable, easiest to hit with pistols on the market. With this design, we eliminated the use of a conventional threaded barrel. Instead, Shadow Systems developed a proprietary 3-lug muzzle that works in combination with a centrally located locking lever in the body of the comp.