Thread: M&P 15 sport
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Old 07-06-2011, 08:12 PM
Fabius Fabius is offline
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Some optics come with mounts specially designed for AR15's with front sight bases. I bought a Vortex Strikefire with the high mount for AR's.

For other optics you may need to buy a riser. The riser attaches to the top rail of the upper receiver and the optic can be mounted on top of the riser. You can get risers in different heights to provide an absolute co-witness or a lower 1/3 co-witness.
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