This AR15 magazine Lock Button will permanently fix your AR magazine to the body of the rifle no longer making it detachable. (It will cause no damage to the rifle itself.) This means that according to the NY SAFE ACT from the NYS Governor’s website on the SAFE ACT, “Rifles requiring registration are: Semiautomatic rifles capable of receiving a detachable magazines.” that you no longer have to register the rifle and the banned features do not apply.