The X-RAY1 Enhanced Day/Night Sights. Utilize a three dot Fiber Optic design for fast target acquisition. Durable design is ideal for hard use. Luminescent front sight ring glows in the dark for up to 1 hour. Designed to fit SIG P220, P226, P227, P229, P320, P250, P938, and P238 Rear Sight Heights of 0.23"(#6) and 0.25"(#8) Front Sight Heights of 0.23"(#6) and 0.22"(#8) Round Notched Rear sight Mfg: Sig Sauer, Inc.
