Instead of shooting blank bullets on set, the flash and bang of gunshots would be added later using computer effects.The extent of these changes felt across the industry is difficult to quantify.A major Hollywood prop maker, asked by AFP to confirm reports of a significant drop in gun rentals, declined to comment.”There was a severe overcorrection, that didn’t need to be made in the way that it was,” said Merrick.As an armorer with three decades of experience, Merrick believes that real guns — when used safely — give both actors and audiences an unrivalled sense of “authentic action.”For…