Makes me want to tighten up the gap on my 500 and put one of these on it:
Notice it's even got a handy hand-hold on the end!

Notice it's even got a handy hand-hold on the end!

On most revolvers the barrel cylinder gap makes it ineffective. However there have been some made that the cycle presses the cylinder against the barrel that possibly could work.
My all time favorite Hollywood impossible use of a suppressor on a revolver was in Magnum Force, when officer Davis shot a fellow officer in a parking garage and then twisted the suppressor and pulled it straight off a vent ribbed Colt Python with full underlugged barrel. Not to mention the fact that, that puny little suppressor would have been blown off the gun with the first shot and probably would have made more noise than without it.
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