[circlecity]

"That’s about the amount of time it would take on the rifle range. How long does someone with experience in this type of situation think it would have taken at Twin Peaks?"

I'm not sure what you are talking about. If you are merely talking about inserting a mag and chambering a round, I'm sure the police had their weapons locked and loaded as soon as they arrived at the scene - long before the shooting started.

[Prolixus]

I doubt that the police planned to be shooting M4s in a busy shopping area. That is incredibly dangerous to innocent bystanders.