Fits any Flattop AR
AIM Sports AR15/M16 A2 Dual Aperture Rear Flip-Up Sight
The AIM Sports AR15/M16 A2 Rear Flip-Up Sight w/ Single Plane Dual Aperture flips up into place quickly and easily, locks automatically, and features a posi-lock design that keeps it locked onto your zero, every time. The AIM Sports AR15/M16 A2 Dual Aperture Rear Flip-up Sight has a ball-bearing pivot detent, and is made of tough aircraft grade aluminum for years of reliable service.
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