Up until 2007, the Soviets had a three-barrel (2 shotgun and one rifled) space pistol in their Soyuz capsule in case they were stranded in the Siberian wilderness upon re-entry. The TP-82 also had a detachable butt-stock that was a machete. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/TP-82_Cosmonaut_survival_pistol
The Soviet Union dissolved in 1991.