Safety Positions- Safe - Normal Semi - 90 degree - Normal Semi - 180 degree - Full sweep/throw * Phosphate coating for increased durability * Made from High Quality 8620 in house * Drop in Safety Selector for your AR15 firearm * The only difference with this safety compared to a normal Milspec version is that it has a 3rd detent cutout which enables you to shoot Semi Auto from a 90 degree or 180 degree throw * Compatible with any AR15 trigger group that utilizes a Milspec safety Selector This product in no way changes the functionality of your firearm, it simply gives you the ability to do a full 180 sweep and fire from a 3rd detent cutout.