Primary Weapons Systems PWS MK109 MOD2 UPPER 300BLK

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Primary Weapons Systems
$ 1,349.99
Excl. tax
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The Primary Weapons MK109 MOD2 upper in 300 Blackout features no forward assist, MLOK handguard with integrated Picatinny rail sections, PWS Triad compensator, 41V50 FNC LIFE HD barrel, long-stroke piston system, *adjustable gas block & Radian Raptor LT charging handle.

*PWS advises the use of supersonic 110 to 130 grain ammo on this platform. Running ammunition heavier than 130 grain can adversely affect cycling unless a suppressor is utilized.
Technical Specs
  • 3lb 7oz weight as pictured
  • 19 inches overall length
  • Lightweight upper receiver
  • Eliminated forward assist
  • PWS Triad compensator
  • 9.75 inch 41V50 FNC LIFE HD barrel
  • 1:8 twist threaded 5/8X24
  • 8.9 inch MLOK handguard
  • Integrated front Picatinny rail sections
  • Pistol-length long-stroke piston system
  • 3-position adjustable gas block
  • FNC LIFE HD bolt carrier
  • Radian Raptor LT charging handle
  • Limited lifetime warranty
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