Aim point comp m2

I have an aimpoint comp m2 and just changed the batteries. It was working fine prior. Upon install of the new batteries the dot will not turn on. I tried different configurations of the batteries and nothing. I put the old batteries back in and now nothing with those either. Any suggestions? Thanks
 
Thank you for your reply. I’ve tried doing the batteries in different orientations. It takes 2 of the Duracell 1/3N that go together in a metal piece.
 
One of the metal pieces within the battery compartment was bent over not allowing the battery to have a connection. Thank you for your reply. I enjoy your modcast’s especially when it pertains to law enforcement. Be safe brother.
 
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