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Primary Weapon Systems

Primary Weapons Systems MK1, MOD 2 Upper, 11.85" Barrel, 11" KeyMod Rail, 300 BLK, Triad 30

PWS MK1, MOD 2 Upper, 11.85" Barrel, 11" KeyMod Rail, 300 BLK, Triad 30
Only 2 left

Availability: In stock

Regular Price: $1,299.95

Special Price $1,099.92



The Primary Weapons MK111 MOD2 300 Blackout upper features 11" PicMod handguard, 11.85" isonited 1:8 twist barrel, Triad flash suppressor, pistol-length long-stroke piston system, lithium-embedded salt-nitro carburized bolt carrier group, polished nickel bolt & BCM charging handle. This upper does not have an adjustable gas block.


  • 3lb 9oz weight & 20.75" length
  • Forged 7075 aluminum
  • 11" PicMod handguard
  • 11.85" isonited barrel 1:8 twist
  • PWS Triad flash suppressor
  • Pistol-length long-stroke piston system
  • Lithium-embedded salt-nitro carburized bolt carrier
  • Polished nickel bolt
  • BCM charging handle
  • Limited lifetime warranty

Additional Info

Additional Info

Manufacturer Primary Weapon Systems
Finish No
Barrel Length 11.85"
Caliber 300AAC
Configuration No
Option No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No



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