The Choate Dragunov Stock and Handguard fits the square backed receivers with single top tang. The stock features a convenient thumbhole design and an adjustable length of pull spacer system. This system allows you to adjust the length of pull from 13a ^2 to a 14 1/2a ^2 length by adding spacers. Other features include tough fiberglass filled polymer, black matte textured finish, 1a ^2 thick rubber recoil pad, Russian style steel sling mount pin and a matching upper and lower hand guard with the stock.