Patent ID: 8720093

Claim:
A prefabricated, one piece buffer and stock adaptor for a firearm, comprising: a top, a bottom, a right side, a left side opposite the right side, a rear portion comprising a buffer tube aperture configured to accept and connectively engage with a buffer tube for a semi-automatic rifle, said buffer tube aperture having an interior bottom surface and a diameter of approximately 1.148 inches; and a front portion opposite said rear portion, said front portion comprising: a forwardly protruding neck configured to fit into and connectively engage with a backplate configured to close the rear end of a receiver of a semi-automatic rifle, the backplate having two factory buffer screw holes, said neck comprising a narrower profile than said rear portion, a front surface with a transverse width of less than 1.752 inches, and a thickness, the thickness being less than the transverse width and the narrower profile generally defining a shape comprising an ovoid superjacent a rectangle; and a buffer port extending axially from said front surface to said interior bottom surface of said buffer tube aperture such that said port and said aperture connect to allow a buffer engaged with said backplate to extend rearward through said adaptor; wherein said adaptor is removably attachable to said buffer tube and to said backplate to adapt said rifle to be compatible with rifle stocks which connect to the receiver of a rifle via a buffer tube.