Springfield Armory Kuna 9mm Luger 10+1 6.12" Black Melonite Steel Barrel, M-LOK Handguard, Black Hardcoat Anodize Aluminum/Polymer Picatinny Rail Receiver, Black Strike Industries Brace, AR Style Grip The Springfield Kuna features a integral M-LOK; ambidextrous safety switch and charging handle; AR-pattern grip with an aggressive texture, aluminum upper receiver and polymer lower receiver; Picatinny rail on receiver and receiver end plate. Includes two magazines.