Sweeney! is a 1977 British crime movie, a spin-off from The Sweeney TV series (1975-1978). The film is directed by David Wickes and starring John Thaw as Detective Inspector Jack Regan and Dennis Waterman as Detective Sergeant George Carter, the detectives of the Flying Squad (nicknamed 'Sweeney'), a branch of the London's Metropolitan Police Service with the main purpose to response armed crimes. The investigation of a supposed suicide case that Regan starts as a personal favor to his friend leads him to a political plot.
Johnson's henchman (Antony Scott) uses a MAC-10 to kill Ronnie Brent and his men. He describes the gun as "American Ingram, a thousand 9 mm rounds per minute". The MAC-10 is fitted with a mockup sound suppressor (the sound of gunfire is loud) and jungle-taped magazines. Same gun is used by Johnson (Michael Coles) in two attempts on Regan and Bianca Hamilton.
During the chase after Regan and Bianca Hamilton, Johnson (Michael Coles) fires a SIG SG 510-1 rifle when he is in the car, instead on the MAC-10 that he holds when on foot. This is not nessessary a continuity error, as the rifle could be stored in Johnson's car. Johnson also fires the SG 510-1 in the final scene.
