Introducing the PWS MK111 Mod 1-M Upper, a compact powerhouse designed by Primary Weapon Systems, a leader in firearm innovation. This .223 Wylde upper receiver assembly is a must-have for those who demand performance and reliability. Collectors and enthusiasts alike will appreciate its long-stroke piston operating system, renowned for reducing fouling and maintaining exceptional performance, especially when suppressed. The MK111 Mod 1-M Upper is in excellent condition, showcasing only faint signs of prior use. It features a clean, mirror-finish bore and includes the original factory box, a manual, and a PWS hat, making it a complete package ready for integration into your collection.
Engineered with an 11.85-inch barrel, this upper utilizes a unique .223 Wylde chamber, allowing shooters to safely use both .223 Remington and 5.56 NATO rounds, ensuring versatility and precision. The free-float M-LOK handguard provides a sturdy yet lightweight platform for additional accessories, while the threaded barrel, muzzle device, and 3-setting adjustable gas block offer customization for varied shooting conditions. The forward assist control aligns it closely with mil-spec design, enhancing its operational reliability.
Born from PWS's commitment to addressing the limitations of traditional direct gas impingement systems, the MK111 Mod 1-M Upper is a testament to the company's dedication to innovation. Founded in 2008, PWS has expertly crafted a niche by focusing on long-stroke piston systems, known for their reduced maintenance and increased reliability. The sleek black finish not only adds to the rifle's aesthetic appeal but also ensures durability in adverse conditions. This upper's seamless blend of functionality and design makes it a premier choice for shooters seeking enhanced performance. Add this exceptional piece of engineering to your arsenal today and experience the cutting-edge design and reliability that PWS is known for.