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PWS MK118 MOD1 Upper 6mm ARC
PWS MK118 MOD1 Upper 6mm ARC
 
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MSRP: $1,299.00

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Product Code: MK1-M1U-6ARC-18-NC
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Description
 
The Primary Weapons MK118 MOD1 upper in 6mm ARC features 18" barrel w/thread protector, 15" MLOK handguard, PWS long-stroke piston system with adjustable gas block and Radian Raptor LT charging handle.
Technical Specs
  • Caliber 6mm ARC
  • Fits milspec AR15 lowers
  • 5lb weight as pictured
  • 18 inch 41V50 CMV barrel
  • 1:7.5 twist threaded 5/8X24
  • Thread protector included
  • 15 inch MLOK handguard
  • 3-position adjustable gas block
  • Mid-length long-stroke piston system
  • Radian Raptor LT charging handle
  • Limited lifetime warranty

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 7  Write a review.

  0 of 0 people found the following review helpful:
 
5 of 5 Great Service! June 14, 2026
Reviewer: M. Wood from Spring, TX  
I was blown away with how great Mike was! I needed a Mod1 in 6ARC for an upcoming competition, and couldn’t find them anywhere. Not only was in stock, but it was on sale too! Great business and great service. He made a customer for life.

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  0 of 0 people found the following review helpful:
 
5 of 5 PWS 6ARC Upper May 18, 2026
Reviewer: Ken from TX, USA  
Great prices and fast shipping!

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  0 of 0 people found the following review helpful:
 
5 of 5 PWS MOD1 Upper March 12, 2026
Reviewer: Mark from Clearwater, FL  
Excellent transaction. Great communication. Quality as expected. Will definitely shop with Mike again.

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  0 of 0 people found the following review helpful:
 
5 of 5 PWS Upper September 18, 2025
Reviewer: Jeff Thomas from Ida, LA  
Mike Lane is the man. Got notification and ordered. 3 days later it was in my hands. Good outfit - pleased with every transaction!

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  0 of 0 people found the following review helpful:
 
5 of 5 MK118 Upper Receiver April 30, 2025
Reviewer: Customer from Macomb, MI  
Excellent service & quick shipping. Products arrived quickly and in great condition.

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