目前,各国军用或者民用霰弹枪大多采用唧筒式非自动方式,其射速较慢,容易贻误战机。QBS09式1 8.4mm霰弹枪则是一款采用导气式自动方式的半自动霰弹枪,提高了快速反应能力,在城市CQB作战中将发挥更大的作用。该枪配用随枪一同研制的18.4mm杀伤霰弹,但因其采用国际通用霰弹枪口径, At present, most military or civilian shotguns in various countries use a pump-type non-automatic mode, which has a slow rate of fire and can easily lead to the loss of fighter planes. The QBS09 style 1 8.4mm shotgun is a semi-automatic shotgun with a gas-guided automatic way to improve the quick reaction ability and play a greater role in the city CQB operations. The gun with the gun developed with 18.4mm killer shotgun, but because of its use of international universal shotgun caliber,