Quick presentation by Taiwan Gun on the S&T UST9 G3 available at their online store. The UST9 is a realistic replica of a popular German submachine gun. It is made of durable polymer and powered by an advanced G3 gearbox that allows for a rate of fire of 24 BBs per second. It is also equipped with a quick spring change system and a modern MOSFET.

Softair Zone shows us the various features of the S&T UST9 Sportline AEG they have at their store. The UST9 is a lightweight and comfortable replica of a widely-used German submachine gun, is powered by an advanced G3 gearbox, enabling a firing rate of approximately 24 BBs per second.