Patent ID: 9239208
Filing Date: 2016-01-19
CPC Classification: F41C,F41G

Claim Text:
1. A firearm assembly comprising: an upper receiver portion having a longitudinal bore therethrough and wherein the upper receiver portion is configured to receive a bolt carrier of a rifle, said upper receiver portion including an elongated upper receiver rail portion having a partial slot at one end; a handguard portion having a longitudinal bore therethrough and wherein the handguard portion is configured to receive a barrel assembly of the rifle, said handguard portion including an elongated handguard rail portion having a partial slot at one end; wherein the elongated upper receiver rail portion aligns end-to-end with the elongated handguard rail portion such that the two partial slots align to form one completed slot between the two rail portions to form an elongated rail platform; an integrated leveler assembly being of a size and shape to be received within the completed slot, said integrated leveler assembly including a liquid-filled level vial that forms bubble within the level vial, wherein said bubble is externally visible, and a level vial barrel receiver of a size to receive the liquid vial, said level vial barrel receiver having an opening to expose the bubble of the level vial when the integrated leveler assembly is level; and one or more fasteners to secure the level vial barrel receiver to the elongated upper receiver rail portion and to the elongated handguard rail portion within the completed slot.