| 摘要 |
A mount for mounting an accessory (19) on a fire arm comprises a base plate (12) having an upper surface and a lower surface, to be connected with the accessory, and means (17) for clamping the base plate to a rail (10) on the weapon with the base plate extending in the longitudinal direction of the rail and with the lower surface engaging the rail. Two aligned first grooves (23) in the upper surface of the base plate extend in the longitudinal direction of the rail when the accessory is mounted to the rail adjacent ends of the grooves being mutually spaced. A second groove (24) in the upper surface of the base plate, extends transversely of the first grooves. First protrusions (25) on the lower surface of the accessory guidingly engage the first grooves, and a second protrusion (26) on the lower surface of the accessory located between the first protrusions engages the second groove to prevent displacement of the accessory along the first grooves.
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