Guntec short throw ambi safety black FEATURES:-5.56 Cal/.308 Cal-Lightweight-Ambidextrous-Short Throw Levers w/ Paddle Knotches on Both Sides-Multiple Degree Variations, Plus the Standard 45/90 Degree-Operator Can Set & Manipulate Each Side to a Different Degree if desired-Black Other Features: Mult degree variations choose either 45 or 90 throw lightweight made in usa