Olight M Series Offset Mount M Series Flashlight Offset Gun Mount, Black Heavy duty 1 inch Constructed of aluminum with a black anodized finish for long lasting performance Designed to be compatible with all Weaver/Picatinny style rails Fit all flashlights with 1 inch Anodized aluminum Fits all standard Picatinny or universal rail systems Specifically created for the M-Series flashlights Fits all 1-inch flashlights Comes complete with mounting hardware for easy installation Constructed of hard anodized aluminum guaranteed to outlast its competition