Rear Sight in Grand Rapids, Michigan For Sale

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Barska Optics AWxxxx4 Rear Sight
Flip-up tactical rear sight with dual aiming apertures
- Ideal for AR15, M16, M4 and picatinny/weaver flat top style rails
- Precise windage adjustments
- Flip-up posi-lock design to guarantee zero
- Easy access locking thumb nut for easy installation
Specifications:
- Rail Type: Picatinny/Weaver
- Rail Length: 0.86 inch
- Warranty: 1 Year Limited
- Weight: 3.2 oz "Price: $18.02
Source: http://www.sportsmanstooloutfitters.com/rear-sight.html