Manufactured as a commercial semi-automatic variant of the Chinese Type 56 select-fire service rifle, re-chambered for 5.56x45 mm NATO with proprietary magazines to fit the smaller cartridge. Fitted with winged post front and notched tangent rear sights. The left side of the stamped receiver is arsenal marked "triangle 416" on the trunnion with standard markings and Keng's Firearm Specialty importer mark on the underside. With hardwood furniture. Includes hand-numbered matching Keng's shipping box, two extra magazines, folding spike bayonet, cleaning kit, green oiler, and green web sling. Provenance: The Jon M. Maxwell Collection