[TXnMA]

Most of the AR drums I've seen on the range were junk, In fact, I've never seen one feed a full load without jamming. My FFL buddy calls them "money traps"...

Perhaps you're right: AR drums that really DO work may be illegal, AFAIK... '-)

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FWIW, I analyzed the audio track of that first string -- using my video editor.

It ran for 10 seconds at a rate of 12 rounds/second, for a total of 120 rounds at a 720 RPM cyclic rate -- and the rate was surprisingly constant and regular.

[jdsteel]

“FWIW, I analyzed the audio track of that first string — using my video editor.

It ran for 10 seconds at a rate of 12 rounds/second, for a total of 120 rounds at a 720 RPM cyclic rate — and the rate was surprisingly constant and regular.”

Perhaps the most useful piece of intel on this thread IMO. I also think the lack of a letter or some sort of rant from the a-hole shooter is very, very strange.