The Primary Weapons Systems PWS MK111 MOD 2-M Upper 7.62x39 11.85" FRC Comp is a purpose-built upper receiver assembly for shooters who want dependable performance from the 7.62x39 cartridge. Built around the MK111 MOD 2-M platform, this upper combines a compact 11.85" barrel with an integrated FRC compensator to help keep the muzzle flatter and shots more controlled.
This complete upper is chambered in 7.62x39 and is designed to interface with compatible AR-15 pattern lower receivers, giving you a straightforward path to a hard-hitting, short-format rifle or pistol build. Its construction emphasizes reliability and accuracy, making it well suited for range work, training, and general-purpose use where a balance of power and maneuverability is desired. Primary Weapons Systems is known for thoughtful engineering and quality manufacturing, and the MK111 MOD 2-M Upper reflects that reputation in every detail.
- Manufacturer: Primary Weapons
- Model: PWS MK111 MOD 2-M Upper
- Caliber: 7.62x39
- Barrel Length: 11.85"
- Type: Upper Receiver
- Muzzle Device: FRC Compensator
| __Firearm Type | Rifle, SBR, Tactical Pistol |
| __Model | MK111 MOD 2-M |
| __Capacity | NA |
| __Caliber | 7.62X39 |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
