K-51 Sweet SMG

"Well, that's the new and improved version of the K-50M SMG, and this'll be a Duonglandic version of a PPSh-41 Sweet SMG. Well, whenever it's the right job to defeat the ARVN by using the K-51 Sweet SMG. That's what the Duong Minh and Duongland would get to kick some ducanger butts."

--Su Ji-Hoon, Dinh Diem's Revenge

The K-51 Sweet SMG is the submachine gun of the Duong Minh and Democratic Republic of Duongland,was the Vietnamese version of PPSh-41 Sweet SMG and was the new version of K-50M SMG.

Only happened in during Operation Wallop that Duongland will improve and make custom PPSh-41 Sweet SMG for to be upgraded into K-51 Sweet SMG