![Purchased this m3 red dot sight a few days ago and for the life of me can't figure out the battery configuration to get it going anyone have any experience with these? : Purchased this m3 red dot sight a few days ago and for the life of me can't figure out the battery configuration to get it going anyone have any experience with these? :](https://preview.redd.it/3d4zlvz4qm081.jpg?width=640&crop=smart&auto=webp&s=4ff7ef8d88c933edf726d27c76533dd5244d748f)
Purchased this m3 red dot sight a few days ago and for the life of me can't figure out the battery configuration to get it going anyone have any experience with these? :
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