My Cart

Due to Florida being effected by Hurricane Ian, DonnyFL will experience some delay in shipping this week for any orders placed after 3:00pm EST. on Tuesday September 27, 2022 due to being closed Wednesday & Thursday. If you have any questions feel free to contact us.


AEA Challenger Pro Adapter 1/2 x 20 A99


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