- 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
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.