Griffin GI Armorers Wrench

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The Griffin GI Armorers wrench is a 4140 steel wrench, hardened to 44RC. That is black oxide and oil dipped. Some finish irregularity is common to this industrial tool. The wrench allows installation of Griffin Muzzle devices, Castle nuts on AR firearms, Griffin Low Pro Rigid rails, and interfaces with many Griffin Silencers for maintenance or configuring. This tool also features M4 barrel nut geometry, and beverage entry tool for easy access to your favorite bottled beverage.



  • 4140 Steel hardened to 44RC

  • Black oxide/ Oil dipped 

  • 3/8" Drive 
  • 3/4" wrench

  • 5/8" wrench 

  • 1/4" bit driver/ lanyard loop

  • Taper Mount extractor

  • USGI M4 barrel nut geometry

  • Screw driver

  • Beverage entry tool

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