PRIMARY WEAPONS SYSTEMS MK116 MOD 1 223WYLDE 16.1 FSC556 UPPER M116UA011F

Primary Weapons Systems MK116 Mod 1 .223 Wylde 16.1" Upper Primary Weapons Systems MK116 Mod 1 .223 Wylde 16.1" FSC556 Upper UPC: 811154030382 | AR-15 Upper Receiver Primary Weapons Systems MK116 Mod 1 Upper Upgrade your AR-15 with the Primary Weapons Systems MK116 Mod 1 .223 Wylde Upper. This premium complete upper receiver assembly from PWS combines innovative engineering with proven reliability. Featuring PWS’s long-stroke piston operating system, the MK116 Mod 1 delivers smoother operation, reduced recoil, and enhanced durability compared to traditional direct impingement systems. Chambered in .223 Wylde, this upper offers the best of both worlds by providing excellent accuracy with both .223 Remington and 5.56 NATO ammunition. The 16.1-inch barrel is paired with the FSC556 flash suppressor, which effectively reduces muzzle flash while also serving as a highly effective muzzle brake. Whether you’re building a precision rifle, a home defense weapon, or a general-purpose carbine, the PWS MK116 Mod 1 upper provides outstanding performance and quality. Key Features of the PWS MK116 Mod 1 Upper Long-Stroke Piston System – Smoother cycling and reduced fouling in the receiver. .223 Wylde Chamber – Optimized for accuracy with both .223 and 5.56 ammunition. 16.1-Inch Barrel – Ideal balance of velocity, maneuverability, and accuracy. FSC556 Muzzle Device – Effective flash suppression and recoil reduction. Mod 1 Design – Improved ergonomics and modern features. High-Quality Construction – Built with premium materials for long-term reliability. Why Choose the Primary Weapons Systems MK116 Mod 1? The Primary Weapons Systems MK116 Mod 1 .223 Wylde 16.1" Upper is an excellent choice for shooters who want the benefits of a piston-driven system without sacrificing accuracy or reliability. PWS has built a strong reputation for producing some of the most dependable and well-engineered AR uppers on the market. The long-stroke piston design keeps the action cleaner and cooler, leading to improved longevity and consistent performance. With its .223 Wylde chamber and FSC556 muzzle device, this upper is well-suited for a wide range of applications, including tactical use, competition, and recreational shooting. The 16.1-inch barrel length offers a great balance between velocity and handling, making it versatile for both close-quarters and mid-range engagements. If you’re looking to build a high-performance AR-15, the PWS MK116 Mod 1 is a top-tier option. Technical Specifications Brand: Primary Weapons Systems (PWS) Model: MK116 Mod 1 Caliber: .223 Wylde Barrel Length: 16.1 Inches Muzzle Device: FSC556 Operating System: Long-Stroke Piston Part Number: M116UA011F UPC: 811154030382 Use: Home defense, competition, tactical, general purpose Whether you’re building a new rifle or upgrading an existing one, the Primary Weapons Systems MK116 Mod 1 .223 Wylde Upper delivers the performance, reliability, and innovation that serious shooters expect. This premium upper is ready to help you achieve better results on the range or in the field. Order the Primary Weapons Systems MK116 Mod 1 .223 Wylde 16.1" FSC556 Upper today and experience the advantages of PWS engineering. The End