FREE Shipping!🔥 ⚡️Brand New!⚡️ Hopup Payment Protection Included! ❗️Buy In CONFIDENCE from a Top-Rated Hopup Seller with 2,200+ 5☆ Reviews❗️ Fits Picatinny, Mlok, AND Keymod Rails! Hardware included! Replacement Dual Function Pressure switch for all Surefire or Surefire Style Lights (that use this type of 1-Plug pressure switches) This pressure switch allows a momentary function as well as an on/off function all on one pressure pad! Ships Fast & Free!