FAB Defense Top Mounted Deployable Rear Sight Flat Dark Earth FX-RBST. FAB Defense designed these AR 15 Parts with ergonomic angel-wing-shaped shrouds that help center the image with any front sight so that you can accurately use these in...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • FAB Defense
  • Sku
  • FXRBST
  • Identity
  • 25738485207

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