Post front and two-leaf peep rear sights, with a bayonet lug on the left side of the heat shield, Sterling nomenclature on the magazine well, and the York Arms address and serial number on the left side of the receiver. An underfolding buttstock is installed, with an "A/R/S" marked selector; the item runs full auto in both the "A" and "R" positions. With an extra magazine and an extra bolt.