Primary Weapons Systems MK116 Pro Upper .223 Wylde 16.1 Barrel

MK116 Pro Upper Features The PWS MK1 PRO line features the tried and true PWS long stroke piston system. This line is perfect for shooters looking for a cost-effective piston system firearm without sacrificing the high-quality standards PWS has been known for over a decade. Featuring a 3-setting adjustable gas system for users with suppressors free-float MLOK handguard Radian Raptor charging handle extruded upper receiver that integrates an extremely solid handguard attachment system the MK