Modular Rail Cover Switch Mount Features The new Modular Rail Cover Switch Mount combines rail cover protection and pressure switch mount in one handy package. This special purpose rail cover features an integral recessed pressure switch mount and two interchangeable inserts for different pressure switches. Clips on to any standard Picatinny spec rail. Made in the USA. Modular Rail Cover Switch Mount Specifications Weaver Modular Rail Cover Switch Mount Olive Drab