The shortest of the non-NFA models with a removable muzzle device, the PWS MK116 Upper is a crowd favorite. The MK116 is designed for a multitude of uses and retains lethal capability out to 500 meters with varying types of ammunition and boasts a PWS FSC556.
Utilizing the proven system originally designed for the MK107, the MK116 uses a mid length gas piston system. The operating system, designed after the venerable AK-47, features a long stroke fixed operating rod design with an adjustable gas block, 12.4" handguard and free-floated barrel. The handguard features the VLTOR KeyMod System which comes standard with two 2 sections of 1913 rail as well as a continuous 1913 top rail.