PWS MK114 MOD 1-M UPPER 6ARC 14.5 LS FRC Compact

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black

Primary Weapons Systems MK114 Mod 1-M 14.50" Upper .223 Wylde 1:8 M-LOK Mid-Length with Charging Handle, Black - Precision Accuracy - M114UA01-2F-NC

Primary Weapons Systems MK1 Mod 1 Complete Upper .223 Wylde 7.75 Barrel

Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black

PWS AR-15 MK109 MOD 1-M Upper Receiver Assembly 300 Blackout 9.75" Barrel Long Stroke Piston

PWS AR-15 MK114 MOD 2-M Long Stroke Gas Piston Upper Receiver Assembly 223 Wylde 14.5" Barrel M-Lok Pinned FSC556

PWS AR-15 MK114 MOD 2-M Upper Receiver Assembly 223 Wylde 14.5" Barrel Pinned FRC Compensator