I too watched the program on BBC 1 "Britainicon Secret Terror Force", I would agree that the No.32 was on an L1A1 SLR, BUT not on the clip of film shown in other posts. I have taken a screen shot of the L1A1 with the No.32 scope, and have selected a picture not to show the users face. But it can be clearly seen on the footage at around 19:00 –20:00 on BBC I player. Attachment 47356