The initial development of the QBS-09 dates back to 1989, with the project officially established in 2005.
The round is loaded with 14 pellets of high-density tungsten alloy buckshot set into plastic container with steel-case.
Tungsten alloy is used as the penetration level of the lead pellets were unable to meet the PLA requirement.
Each pellet is made of tungsten alloy ball of 5.3mm (~0.2“) in diameter, 1.4 gram (~22 grains) in weight.
Due to the DBD-09 round generating high-impulse recoil, the QBS09 shotgun is equipped with a spring-buffered shoulder stock, which retracts every time the gun fires.