A couple people had expressed interest in this topic, and I have a bit of extra time for a couple days, so here goes:
Bona fides: I am a former infantry NCO and sniper, hunter, competitive shooter, reloader, hobby gunsmith, sometimes firearms trainer and currently work in a gun shop, mostly on the paperwork/compliance side. Back in the day, was a qualified expert with every standard small arm in the US inventory circa 2003 (M2, 4, 9, 16, 19, 249, 240B, 21, 24, 82 etc.), and today hang around the 75th percentile of USPSA classifications. I've shot Cap-and-Ball, Trap and Sporting Clays badly; Bullseye and PRS somewhat better and IDPA/USPSA/UML/Two-gun with some local success. Been active in the 2A community since the mid-90s, got my first instructor cert in high school, and have held a CPL for almost twenty years now.
I certainly don't claim to be an expert in every aspect of firearms, there's huge areas that escape my knowledge base, but if you've got questions I'll do my best to answer.
Technical questions
Gun control proposals for feasibility
Industry
Training
Wacky opinions
General geekery
Some competition links (not my own) just for the interested.
https://youtube.com/watch?v=U5IhsWamaLY&t=173
https://youtube.com/watch?v=93nEEINflXE
https://youtube.com/watch?v=utcky0zq10E
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Notes -
I very much doubt it. There are exactly zero practical reasons to use a revolver over a semi-auto as a general duty weapon.
There may be a small effect because the two most common number of shots fired by cops is one or everything in the gun. As revolvers carry fewer rounds, they might shoot less, but that could have good and bad results. If your goal is to get cops to fire their guns less, then this would accomplish it. If the goal is bad guys down and good guys not, then it's a wash.
Revolvers are much more difficult to shoot well than semi-autos, mostly due to long, heavy triggers. There is also the issue of the cylinder gap, which affects both accuracy and power. There's just no upside to revolvers other than that they are cool.
Nitpick: pistols can't be fired out of battery, but revolvers can. Extremely rarely an issue for police, though, and there's no way it's worth the other tradeoffs. A backup revolved could be kept under the external vest if anyone really cared enough about this contingency.
I will nit your pick! A muzzle stand-off device will allow contact shots without pushing the slide out of battery, and are smaller, lighter and cheaper than a revolver.
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There is one minor upside to revolvers: You can use them to fire cartridges that are too large to comfortably fit in a pistol grip magazine. This is a niche case, but is useful for handgun hunting in especially old-fashioned states.
This is true, but not super relevant to police duty guns.
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That makes sense, thanks.
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