Patent ID: 8209896

Claim:
A gunsmithing fixture for use with an upper receiver, the upper receiver having an inner cavity and an ejection port, comprising: an upper portion having an upper body portion that extends from a front end to a rear end and having a right side and a left side, wherein the upper body portion comprises a partially cylindrical portion and a rib portion, wherein the rib portion extends upward along a longitudinal axis of the partially cylindrical portion, wherein the upper body portion comprises a “T” handle portion that extends from either side of the rib portion of the upper body portion, and wherein the upper body portion includes a groove formed along a central longitudinal axis of at least a portion of the upper body portion; and a lower portion having a lower body portion that extends from a front end to a rear end and having a right side and a left side, wherein the lower body portion includes a protrusion extending from the central longitudinal axis of at least a portion of the lower body portion, wherein the lower body portion comprises a front receiver lug recess and a rear receiver lug recess; wherein the groove of the upper body portion is formed so as to slidably mate with the protrusion of the lower portion, such that the upper body portion can be secured to the lower body portion via slidable interaction of the groove and the protrusion.