The Stechkin 9×18 is a Soviet-designed automatic pistol. It was designed by Igor Stechkin and entered service with the Soviet military in 1951. It has a 20-round magazine and fires the 9x18mm Makarov cartridge. The Stechkin is a selective fire weapon, meaning it can be used in both semi-automatic and automatic modes. It was primarily used by Soviet special forces and police units, but was also made available for export. The Stechkin is known for its high rate of fire, accuracy, and reliability. It is still in use today by some Russian special forces units.

The Stechkin 9×18 is still in service today with some Russian special forces units because it is a reliable and durable weapon that has proven itself in combat. Despite being developed in the 1950s, the design of the Stechkin is still considered modern and effective. Additionally, the 9x18mm Makarov cartridge that it fires is still in use by Russian military and law enforcement, so there is a ready supply of ammunition. Furthermore, it is a simple and robust design, which means that it is relatively easy to maintain and repair, making it a cost-effective option for the military. The Stechkin also has a good reputation for accuracy and firepower which is a desirable feature for special forces units.