POTD: Triple AR-15

I have been looking at the picture of this setup, trying to figure out how the system works.

I think that when you pull the trigger on rifle #1 (middle), it fires and sends its gas to cycle and fire rifle #2 (bottom), which will do the same with #3 (top), which will then send its gas to cycle #1.

If you keep your finger on the trigger on rifle #1, the cycle would then repeat until there’s a jam or the magazines are empty.

Presumably all rifles must be full auto. If you note rifle #2 and #3 they have no triggers and auto sears.

Rilfe #3 doesn’t have a charging handle.

Gas timing could be a bit of an issue as well.

If you were using 30 round magazines in all rifles, I wonder how long time it would take before they were empty?

For sure, you would have brass flying in all sort of directions.

Unfortunately I don’t know the source of the photo or who built it, but I will be happy to add information and credit.

Tromix have some strange AR15 designs as well, like the Siamese Twin M16. Click to check out the mag

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Originally posted on The Firearm Blog