Primary Weapons Systems MK116 Mod 2-M Upper | .223 Wylde | 16.1 in

The Primary Weapons Systems MK116 Mod 2-M complete upper is a piston-driven AR upper built for consistent operation and modular accessory mounting. It ships as a complete upper with a mid-length contour 16.1 inch barrel chambered in .223 Wylde and an anodized black finish. The free-float handguard uses PWS PicLok technology to accept either Picatinny or M-LOK accessories on the forward section while retaining M-LOK mounting on the sides and bottom.

Designed for reliability and accessory flexibility, this upper suits precision/target shooting and competition/practical shooting applications where a robust piston system and versatile handguard mounting are valued.

Product Specifications

• The manufacturer is Primary Weapons Systems.
• The model is listed as MK116.
• The variant is Mod 2-M.
• The cartridge/chambering is .223 Wylde.
• The barrel measures 16.1 inches.
• The barrel twist is specified as 1:8.
• The contour is described as Mid-Length.
• The handguard style is M-LOK with patent-pending PicLok forward mounting.
• The finish is listed as Anodized.
• The color is Black.
• The upper is intended to fit AR Rifles.
• The product type is a Complete Upper receiver assembly.
• An included accessory is the Radian Raptor charging handle.
• The style is described as Complete.
• The UPC is 811154033239.

This MK116 Mod 2-M upper brings piston-driven reliability and flexible accessory options to a complete factory upper assembly. Its PicLok-enabled M-LOK handguard and mid-length 16.1″ barrel make it a practical choice for shooters who want a robust operating system and straightforward mounting for optics and fore-end accessories without sacrificing a refined appearance.