SIG MPX 9mm LULA magazine loader and unloader. Fits SIG MPX 9mm-type polymer magazines Ver #1 & Ver #2. SIG MPX is a trademark of SIG SAUER, Inc. maglula is not affiliated with nor does it represent SIG SAUER, Inc. in any way. Benefits : All-in-one magazine speed loader and unloader Simple to use in either mode Eliminates thumb pain and injury Eliminates wear on feed lips Prolongs magazine life Lightweight and fits in pocket Reliable in all weather Durable reinforced polymer