Let Him Have It is a 1991 biopgraphical film directed by Peter Medak (The Krays) that focuses on the life and death of Derek Bentley (Christopher Eccleston who in 1953, at the age of 19, was convicted of, and ultimately executed for the murder of Police Constable Sidney Miles. His accomplice, Christopher Craig, was the only one with the gun, and of course the one who actually killed PC Miles. The title refers to something Bentley shouted at Craig on that fateful night. This line had been interpreted by the prosecution as Bentley encouraging Craig to shoot, while the defense claimed it was in fact a plea by Bentley for Craig to surrender, to literally, let the police officer have his gun.
The following weapons are used in the film Let Him Have It:
A Colt New Service is used by Christopher Craig (Paul Reynolds) through the movie, as in real life. Craig shortened the barrel, and was often forced to use ammunition of different sizes. Early in the film he claims it uses "Tommy Gun rounds", implying that it is chambered in .45 ACP, but when he opens the chamber later, it appears that it is chambered in .455 Eley.
A classmate (Tony Sands) trades Craig a Luger P08 for a Colt Detective Special in their classroom. Craig is disappointed to learn that the Luger doesn't come with ammo, but his classmate says he could force ".38s" into the chamber. (Presumably, he meant .38/200 or .38 S&W, as .38 Special would be too long.) Craig is successfully able to do so and fires a round into the ceiling. Craig's brother Niven (Mark McGann) gets a hold of one while struggling with the police.
Wolseley Flare Pistol
Seen amongst various pistols in the classroom. It gets handed in to the schoolteacher (Murray Melvin) claiming he "hasn't seen a Wolseley for a long time".