The Primary Weapons PWS MK114 Mod 2 Upper delivers the brand’s proven long-stroke piston performance in a dedicated upper receiver assembly. Built around a 14.5-inch barrel chambered in 223 Wylde, this upper is designed to offer reliable function with a wide range of .223 Remington and 5.56 NATO loads while maintaining smooth recoil characteristics and consistent accuracy.
This upper is ideal for shooters who want to upgrade an existing AR-15 lower with a refined, piston-driven system suited for range use, training, or general-purpose duty. Its configuration supports modern accessories and optics while keeping handling familiar for AR users. Primary Weapons is known for thoughtful engineering and durable construction, giving this upper a solid reputation among enthusiasts seeking a dependable, feature-rich upgrade.
Key Features:
- Manufacturer: Primary Weapons
- Model: PWS MK114 Mod 2 Upper
- Caliber: 223 Wylde
- Barrel Length: 14.5"
| __Capacity | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
| __Model | MK114 Mod 2 |
| __Caliber | Others |