A.R.M.S.® #38™ STD AR-10 SWAN® Sleeve
7.62 cal. and same length as receiver and has the #40™ rear flip up sight built in.
It raises the rail by 1/2″ while protecting the rifle dovetail rail.
THE SIGHT LEANS TO THE REAR SO AS TO FOLD IN THE CORRECT DIRECTION IF DROPPED, THUS MAINTAINING THEIR ZERO FOR ACCURACY AND GIVE LONGER TROUBLE FREE SERVICE LIFE!
100% MADE IN THE USA.