Patent ID: 8020335

Claim:
A mount for mounting on a weapon an optical sight, a magnifier, a night vision device or any other accessory of the weapon, the mount comprising: a base plate having an upper surface and a lower surface; a jaw coupled to the base plate, the jaw configured to clamp the base plate to a rail on the weapon, such that the lower surface of the base plate engages the rail; two aligned first grooves provided in the upper surface of the base plate, the first grooves being spaced apart, the first grooves extending in the longitudinal direction of the rail when the accessory is mounted to the rail, and the first grooves being configured to guidingly engage first protrusions on a lower surface of the accessory; and a third groove provided in the upper surface of the base plate, the third groove extending transversely of the first grooves, and the third groove being configured to engage a third protrusion on the lower surface of the accessory located between the first protrusions to prevent displacement of the accessory along the first grooves.