Make your firepower faster! CAATM M16 Magazine Coupler.
You can save precious time reloading your M16 / AR-15 because your second mag is right there! It fits .223, 5.56 mm NATO, and Ruger® Mini 14® mags, and won't scratch or deform them. Made from high-density reinforced polymer for all-weather toughness.
Screw tightened to retain mags just right. Weighs approx. 2 ozs. (Mags not included.)
These are in military theaters of operation right now... get yours for hot shots ONLINE today!