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Donny FL · 1/2 x 20 Adapter A99 · AEA Challenger Pro

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This adapter converts the factory barrel threads from M14x1 to 1/2 x 20. It is also designed to center the barrel within the shroud.


  • 6061 T6 Aluminum
  • Comes with knurled thread protector
  • Compatible up to .30 caliber

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