Available Now At Brownells

Introducing the MK111 PRO Upper from the PWS MK1 PRO Line, featuring the renowned PWS long-stroke piston system tailored specifically for suppressor enthusiasts. This budget-friendly option upholds the exceptional quality and reliability synonymous with PWS for over a decade. Inspired by the AK rifle's dependability, the long-stroke piston system ensures consistent performance, reducing wear on critical components and enhancing the shooting experience with a 3-setting adjustable gas system ideal for suppressor users.

The MK1 PRO line retains PWS's legacy of accuracy and reliability while offering premium features at an accessible price point. Equipped with a free-float MLOK handguard, Radian Raptor charging handle, and an extruded upper receiver with a robust handguard attachment system, the MK111 PRO Upper fits seamlessly into any AR15 lower receiver. This combination of high-end features and custom components, backed by a lifetime guarantee, makes it an outstanding value in the piston-driven operating systems market.

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