The Primary Weapons Systems MK116 MOD 2-M Upper Receiver is designed for use with the AR-15 and features a 16.1-inch barrel with a 1:8 twist. It utilizes the PWS long stroke piston system and unique PicLok technology that allows for mounting of Picatinny or MLOK accessories, paired with a sleek black anodized finish and a Radian Raptor Ambidextrous Charging Handle.
Specs
| Model No. | PWS2M116UA01-1F |
| Model | MK116 |
| Manufacturer | Primary Weapons Systems |
| Color | Black |
| Caliber | 223 Wylde |
| Barrel Length | 16.1 |
| Type of Barrel | 1:8 |
