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PWS MK118 MOD2 Upper 6mm ARC
PWS MK118 MOD2 Upper 6mm ARC
 
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MSRP: $1,399.00

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Product Code: MK1-M2U6ARC-18-NC
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Description
 
The MK118 MOD2 Primary Weapons Systems upper in 6mm ARC features 18" barrel, 15" MLOK handguard, integrated front Picatinny rail sections, lightweight receiver, no forward assist, PWS long-stroke piston system and adjustable gas block.
Technical Specs
  • Caliber 6mm ARC
  • Fits milspec AR15 lowers
  • Duramag 6mm/6.5 AR15 magazines recommended
  • 4lb 15oz in weight as pictured
  • Lightweight receiver
  • Eliminated forward assist
  • 18 inch 41V50 CMV barrel
  • 1:7.5 twist threaded 5/8X24
  • No muzzle device - thread protector included
  • PWS mid-length long-stroke piston system
  • 3-position adjustable gas block
  • 15 inch MLOK handguard
  • Integrated front Picatinny rail sections
  • Radian Raptor LT charging handle
  • Limited lifetime warranty
Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 2  Write a review.

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  0 of 0 people found the following review helpful:
 
5 of 5 Always a perfect transaction! January 25, 2025
Reviewer: David Brown from Birmingham, AL  
Mike, thanks again for information over and above what should be deemed sufficient when buying from Fortress! Quality of the 6ARC is fantastic! So glad PWS finally made the 6ARC! Maybe 6.5 Grendel next?!  Thanks again, Mike!

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  0 of 0 people found the following review helpful:
 
5 of 5 6 stars? January 25, 2025
Reviewer: Nicolas Adducci from MN, USA  
Fortress is always my go-to. As a big PWS fan boy, it can be a huge chore to find what I am looking for and sometimes downright impossible if I am trying to find something specific. Double that when you consider I was trying to track down a 6ARC upper. It's hard to find anything in 6ARC by any manufacturer these days. But sure enough, Fortress got me sorted with not just any 6ARC, but the specific MK118 upper I needed. 5 stars +1 for sure!

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