Patent ID: 7823312

Claim:
A magazine well extension for a lower receiver of a rifle having a front pivot, a changing contour adjacent the front pivot, a trigger guard and a magazine well, the magazine well extension comprising: a first receptacle part having a distal end and a proximal end which comprises a first wall disposed at the distal end which comprises a top surface, a bottom surface, a first exterior surface, a first interior surface which extends from the top surface to the bottom surface, and which comprises a convex segment adjacent the top surface, a front groove disposed below the convex segment, and a magazine guide disposed below the front groove, the convex segment being configured and dimensioned to conform to a changing contour adjacent the front pivot of a lower receiver; a second wall, adjacent the first wall, which comprises an upper contour, a lower contour which comprises a concave segment positioned above the bottom surface of the first wall, a second exterior surface, a second interior surface which extends from the upper contour to the lower contour, and which comprises a side groove; and a strut, disposed opposite the first wall and adjacent to the second wall, which comprises a first end surface, and an upper surface adjacent the first end surface; the front groove, side groove and upper surface being aligned and connected to receive a magazine well and a trigger guard of a lower receiver; and a second receptacle part which comprises a fourth wall connected to the first wall, and a fifth wall, disposed opposite the second wall and adjacent to the fourth wall, the second receptacle part being joined to the first receptacle part such that the first and second receptacle parts are configured and dimensioned to lock onto a magazine well and a trigger guard of a lower receiver of a rifle and to guide loading of the magazine well.