The RBS Rear polymer Back-up sight is a cutting edge, low-profile, tactical back-up sight. The dual aperture RBS rear sight is windage adjustable and can be mounted on all 1913 picatinny rails, but is specialty made for the M4 / AR-15 / M-16 platform and the K.P.O.S. Advantages: Very low profile & slim design Can be used as primary or back-up sight State-of-The-art ergonomic & ambidextrous design All manual configuration, no tools needed for windage adjustments Durable high grade polymer & metal construction Spring based locking mechanism - will not break or deform
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2 months ago
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