The Huya D80 bayonet comes from China North Pioneer Industry. China North Pioneer Industry began to produce D80 bayonet for a US military products trading company in 1998. All products are sold to the United States and then resold by the United States to those who use M16 rifles. Other non-U.S. countries. The blade is made of stainless steel and is forged and pressed, making it thick and strong. The surface is dark gray. The cutting edge has been partially heat-treated, making it sharp and capable of cutting branches, sticks, and ropes.