Patent ID: 9151575
Filing Date: 2015-10-06
Classification: F41C,F41G,Y10T

Abstract:
1. An accessory rail, for a firearm, comprising: a first receiver rail configured to engage a first side of a receiver of the firearm; a second receiver rail configured to engage a second side of the receiver of the firearm: a bar comprising a first end and a second end, the bar configured to engage the firearm, wherein the firearm comprises a rear sight structure that comprises: a space defined between a first surface and a second surface, and an opening aligned between the first surface and the second surface; a first attachment structure, proximate the first end of the bar, configured to attach the bar to the firearm; and a second attachment structure proximate the second end of the bar, the second attachment structure comprising a block that comprises a first side face and a second side face configured to rest in the space in the rear sight of the firearm with the first side face and the second side face adjacent to the first surface and the second surface of the rear sight of the firearm respectively, such that an aperture in the block aligns with the opening in the rear sight of the firearm, and a machine screw positioned in the aperture and the opening so as to attach the second attachment structure to the bar.