Kriss USA Defiance Low Profile flip up rear sight is the same OEM rear flip up sight that come standard with the Kriss Vector and Defiance firearm platforms. This sight provides you with an outstanding low profile rear sight that moves completely out of the way when folded down at a lean .56 inches in the stowed position.
This particular rear sight has dual apertures and a wide range of Windage adjustment. The large textured adjustment knob makes windage changes simple and easy especially if you are operating with a gloved hand.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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