I just bought this endoscope camera and mounted it to my RL1100. It’s mounted underneath the powder measure to make sure cases have primers in them before dropping powder preventing a mess.   Heres the endoscope I used. It was $55 before. https://www.amazon.com/s?k=camera+for+drain+inspection&crid=1YH9W9MJY307X&sprefix=Camera+for+dra%2Caps%2C168&ref=nb_sb_ss_ts-apa-p_1_14   Here are some pictures on how it’s was mounted.   Without a primer: