DoubleStar Ambi-Safety Selector for M16 Black. The shorter lever on the left side is perfect for both left or right-handed shooters giving enough real-estate to engage but not too much to be in the way while shooting right handed. This selector is machined from 8620 Steel and phosphate-coated black. A grooved interface and 1/16 hex head screw secures the small lever to the body for a solid lockup. Specifications for DoubleStar Ambi-Safety Selector for M16: Manufacturer: DoubleStar Color: Black Finish: Phosphate Coated Gun Model: M16 Fabric/Material: 8620 Steel Hand: Ambidextrous Package Contents: DoubleStar Ambi-Safety Selector for M16 What firearm models does the manufacturer say DoubleStar Ambi-Safety Selector for M16 is compatible with? The manufacturer says that DoubleStar Ambi-Safety Selector for M16 is compatible with M16DoubleStar AR276M: Ambi-Safety Selector for M16 Black