Whether you are in a competition or a fire fight, an extended mag release can make a big difference and this one is the best on the market. This mag release is designed to push straight in and not rotate as the button is pushed. This makes for faster mag changes. CNC machined out of heat treated steel *Can be installed for right or left handed shooters. Available in two different sizes +.100" and +.150" and in black or Stainless Steel.