PWS MK107 MOD1-M Complete Upper Receiver .223wylde 7.75" Barrel


The PWS MK107 MOD 1-M uses a long-stroke piston design, just like an AK47. 7.75″ barrel and a great option for your next AR pistol or SBR build.

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PWS MK107 MOD1-M Complete Upper Receiver .223wylde 7.75" Barrel

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