PWS MK118 MOD 2 Upper | 6MM ARC | 18in | MK1-M2U-6ARC18NC

The Primary Weapons Systems MK118 MOD 2-M upper is presented for the AR-15 platform in 6MM ARC with an 18-inch threaded barrel and part number MK1-M2U-6ARC18NC. The listing identifies this item as an AR-15 upper receiver assembly intended for precision-oriented use. It is supplied with limited source data; specifications below reflect only the details explicitly provided by the source.

Product Specifications

• The manufacturer is listed as Primary Weapons Systems (PWS).
• The model is identified as the MK118 MOD 2-M upper.
• The manufacturer’s part number is MK1-M2U-6ARC18NC.
• The caliber is specified as 6MM ARC in the source title strings.
• The barrel length is shown as 18 inches in the product name string.
• The barrel is described in the source as threaded.
• The item is categorized as an AR15 Uppers component.
• The listed weight value is 5.65 (unit not specified by the source).
• The UPC for this product is 811154033284.
• The short description from the source reads: PWS MK118 MOD 2-M UPPER 6MM ARC 18 LS THREADED.
• The product images are available at the source URLs; primary image: https://media.server.theshootingwarehouse.com/large/195780.jpg.
• The assembly is intended for use on AR-15-pattern rifles as an upper receiver component.
• The listing includes the marketing name string MK118 MOD2.

This MK118 MOD 2-M upper offers a focused parts package for shooters assembling or upgrading AR-15-pattern rifles chambered in 6MM ARC, with an 18-inch threaded barrel configuration suitable for use where longer-barrel ballistics and modular muzzle accessory mounting are desired. Its specification set makes it appropriate for precision-oriented target work and varmint/medium-range field applications.