A.R.M.S. #40L-P Tan Low Profile Rear Sight

Designed for U.S. Special Operations Forces and under contract with Crane Naval Surface Warfare Center.

The P stands for precision
.50 MOA, = minute of angle means at 100 meters, each click of the windage knob moves the point of impact .50 left or right. The sight also has new notches above the round apertures for faster CQB engagements inside of 50 meters and also for long range 500-600 meter. New improved features include the Notched aperture for CQB and long range engagements, .50 precision windage adjustments, and captivated nut.