PWS MK118 MOD 1-M Upper 6MM ARC 18 Threaded

The PWS MK118 MOD 1-M Upper is presented as an AR-style upper assembly intended for precision and match-oriented rifle builds. The model name identifies the chambering as 6MM ARC and indicates a threaded muzzle; several identifiers appear in the product name but are not fully defined in the source data. The listing includes a weight value but does not provide units or additional specifications.

Key Specifications

• The manufacturer is PWS.
• The model is listed as MK118 MOD 1-M.
• The product type is an upper receiver assembly.
• The caliber is shown in the model name as 6MM ARC.
• The model name contains a barrel designation of 18 (unit not specified in source data).
• The muzzle is described as threaded in the product name.
• The listing shows a weight of 5.75 (units not specified).
• The model name includes LS as an identifier (meaning not defined in source data).

This upper is positioned for builders assembling precision or competition-capable rifles who require a 6MM ARC chambering and a threaded muzzle for accessory compatibility. Its MK118 MOD 1-M designation and compact specification set make it suitable as the core component of a dedicated precision build; verify compatibility with your lower and component selection to achieve the intended performance and fitment.