A microelectromechanical system switch may include a relatively stiff cantilevered beam coupled, on its free end, to a more compliant or flexible extension. Preferably, the first and second fluoropolymer is polytetrafluoroethylene. A mount on the casing mates with a receiving apparatus on the rifle, thereby securing the casing to the rifle. The brazed joint permits sacrifice of the baffle during disassembly for access to the threaded joint for final disassembly without damage to the dome or air swirler.