The BSA Scorpion Air Pistol was an air pistol made by the Birmingham Small Arms Company and first produced in 1973. It was a large, heavy, spring powered, single-shot weapon available in .177 (4.5 mm) and .22 (5.5 mm) calibers and was BSA's first air pistol. At 5.5 ft•lbf (7.5 J), it was close to the UK legal power limit for an air pistol.