Abstract: The present invention teaches a tie down bracket for restraining an extending lanyard associated with a weapon rail mounted accessory. The bracket includes a first body portion supported by the rail and a second body portion releasably engaged to the first body portion. The body portions exhibit opposing surfaces between which is placed a length of the lanyard prior to compressing the body portions against one another to engage and fix the lanyard.

Abstract: An improved shim construction incorporating a thin body exhibiting a profile generally matching a selected mounting ear of a lower assembleable receiver, the shim including an arcuate perimeter with an flat interconnected base surface. The body exhibits an aperture defined therein such that, upon placement between an inner facing surface of the ear and an intermediate positioned cylindrical shaped portion, a subsequent widthwise traversing installation of a pivot pin causes the shim body to be sandwiched between the receivers to occupys an excess tolerance, thereby reducing or eliminating instances of misaligning slop or play exhibited between the receivers. The shim may exhibit a thickness in a range of 0.001? to 0.010?. A plurality of shims can be provided as a kit and which are applied in scalable fashion to compensate for varying excess tolerance established between the receivers.

Abstract: An attachable and length adjustable cover for use with a fiber optic light receptor band associated with an optical gunsight for varying an amount of light which is permitted to enter the fiber optic of the rifle scope and be communicated to the associated reticle display. A body overlays the fiber optic band and includes a plurality of telescopically adjustable sections which overlays at least a corresponding portion of the optic band and which is movable in at least one direction to vary an exposed portion of the band which is available for collecting ambient light.