Old Testament Firearms is based out of Eau Claire, WI. We are a FFL 07 / SOT 02 Manufacturer focused on bringing the highest quality AR15 / AR10 (LR) / AR9 Firearms and Components to the market at a VERY competitive price!

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This 5.56 Upper Receiver Group consists of the following components:

  • 16" OT Firearms 41v50 Lightweight Profile AR15 Barrel - 5.56 NATO, Mid-Length Gas 1/7 Twist 
  • 13" Free Float OT Firearms M-LOK Gen 2 Handguard
  • OT Firearms Forged 7076-T6 M4 Upper Receiver
  • OT Firearms Nitride Bolt Carrier Group with our lifetime warranty
  • Nitride Finish Low-Profile Gas Block
  • Nitride Finish Mid-Length Gas Tube
  • OT Firearms Ambi Charging Handle w/Gas Buster Lip
  • A2 Flash Hider