Patent ID: 8028459
Filing Date: 2011-10-04
Classification: F41C,F41G

Abstract:
1. A rail system assembly for a firearm including a barrel, the rail system assembly comprising: a tubular body to couple to the firearm over a portion of the barrel in a substantially coaxially and radially spaced relationship; at least one accessory rail at a predetermined position of the tubular body, said at least one rail including a plurality of ribs separated to define opposing lateral surfaces, the plurality of ribs comprising a first rib and an adjacent rib, wherein a first lateral surface of the first rib faces an opposing lateral surface of the adjacent rib; and a first anchor slot in the first lateral surface of the first rib, wherein the first anchor slot is positioned below a top portion of the first rib, such that the first anchor slot forms an undercut under the too portion of the first rib.