DoubleStar Corp Flip Up AR-15 Rear Sight

Manufactured by DoubleStar Corporation
SKU: DS401
MPN: DS401
Manufactured by DoubleStar Corporation
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NOTE: Limit 3 per household. Quantities exceeding 3 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 1 business days or less. FFL orders take approximately 10 business days or less if you can provide us an actively receiving FFL location. Due to high demand, there is a limit of 5 FFL items in a 30 day period.



The flip-up rear sight from DoubleStar features a uniquely robust, yet lightweight construction well suited to the rigors of real-world use. This rear sight folds flat against the rail when not in use to make room for your favorite magnified optics or red dot sights, yet locks solidly in place when flipped up to match standard AR-15 and AR10 heights. With intuitive A1-style windage adjustments and and a strengthening bar across the top for enhanced survivability, these durable back up iron sights are perfect for your next flat top build.

  • Secure single cross bolt mounting
  • Convenient A1-style windage adjustments
  • Reinforcing cross bar
  • Knurled grasping points
  • Locks in the up position
  • Push-button release to fold down
  • Dual aperture
  • Heavy duty aluminum construction
  • Black hardcoat anodized finish
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BrandDoubleStar Corporation
FinishHardcoat Anodized
Fixed FoldingFolding

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

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