This Charter Arms manufactured pistol grip black synthetic butt stock sub-assembly is for the AR-7 Explorer semi-auto rifle and is in very good condition with light scratches and handling marks. This butt stock sub-assembly consists of the butt stock and butt cap. The takedown screw assembly is sold separately. (file photo)

Note: Charter Arms AR-7 Explorer semi-auto rifles with the following serial numbers have been observed with this part: A128259, A173352, A180717 & A238555