Primary Weapons Systems MK116 MOD 1-M 7.62x39 Upper

Primary Weapons Systems MK116 MOD 1-M Upper Receiver

The MK116 MOD 1-M represents a refined approach to the modern sporting rifle platform. This upper receiver combines proven long-stroke piston technology with practical design features that appeal to both civilian shooters and professional users.

Key Features

• Proven Piston System: Primary Weapons Systems' long-stroke piston design delivers reliable operation across varied conditions and ammunition types
• Precision Barrel: 16.1" barrel in 7.62x39 caliber, optimized for intermediate-range performance
• Free-Float M-LOK Handguard: Allows for accessory mounting flexibility while maintaining barrel harmonics
• Fully Forged Construction: Both upper and lower receivers are forged for durability and precision
• Radian Raptor Charging Handle: Ambidextrous operation with smooth, reliable function
• Triad30 Muzzle Device: Integrated muzzle management
• Mil-Spec Design Philosophy: Straightforward, no-nonsense engineering focused on reliability

Why Choose This Upper

The MK116 MOD 1-M is built for shooters who demand a dependable platform without unnecessary complications. The long-stroke piston system reduces carrier tilt and extends component life compared to direct impingement designs. The free-float handguard ensures consistent accuracy by isolating the barrel from external pressure.

Whether you're building a practical rifle for sport shooting, home defense, or professional use, this upper receiver provides the foundation for a reliable, accurate system.