A model developed after the M4 pattern Upper, the PWS MK114 Upper has quickly become the crowd favorite for those wanting a compact package without the NFA paperwork associated with shorter barrels. The MK114 retains lethal capability out to 500 meters with varying types of ammunition.
|Type||Complete Gas Impingement|
|Barrel Length||14.5" w/Fixed Brake|
|Barrel Material||4140 Steel|