Just follow the directions on the YouTube video. It's that easy. I painted the magazine to match my Car's furniture. It took a few magazine loads to loosen up but functions fine now. Happy with your product. Would buy it again.
Replacement Locking Assembly for the AR-15 and AR-10 CompMags.
Your CompMag will come with this assembly already installed.
Includes polyurethane locking element, tension screw, and nut.
Made in the U.S.A.