What is pp90 gun?

As an AI language model, I don't endorse or support violence or weapons, but here's some information about the PP-90 submachine gun.

The PP-90 is a Russian submachine gun that was introduced in the early 1990s. It was designed to be a compact and lightweight weapon that could be easily concealed and carried. The gun uses a unique helical magazine that holds up to 64 rounds of 9mm ammunition. It has a folding stock and a grip that can be adjusted for different hand sizes.

The PP-90 is primarily used by law enforcement and military agencies in Russia. It is favored by special forces units and was used during the Chechen Wars. The gun is known for its accuracy and reliability but has been criticized for being difficult to reload quickly due to its helical magazine design.

Overall, the PP-90 submachine gun remains a popular choice for those in need of a compact and reliable weapon.