This is our SHARPS forend, TCF04, for the Encore series frames. The forend is made from Nylon 12, an incredibly strong, lightweight polymer that is both abrasion and chemical resistant. It features a Picatinny/MIL-STD-1913 Rail Interface for use with bipods or other picatinny mount accessories. The forend comes with two 8-40 x 7/16 screws and washers and will attach to pistol spaced threads. Length: this model extends 9.375 down the barrel when installed. Weight with screws: 3.9 ounces.