Radian Raptor AR15 Ambidextrous Charging Handle -ts ambidextrous design allows rapid palm "blading" or finger-thumb charging of the weapon, ensuring the motion is fluid and fast from either strong or support side. The Raptor is compatible with most AR15/M16-pattern weapons. Compatible with Most AR15/M16 -Pattern Weapons.Rapid Palm BladingFluid and FastAdded DurabilityChoose from Black Anodized or Flat Dark EarthSize - 5.56