- A2 style dual aperture fully protected from accidental damage
- Thick rugged pivot ears twice as thick as the competition
- Made from 6061 aluminum mil-spec hard coat anodized
- Locking detent with double the locking surface for maximum strength
- Same style windage knob as on the standard M-16 & M-4 rifles
- Made in the U.S.A. with Lifetime Warranty
