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AR15.COM
10/27/2010 1:24:02 PM EDT
With this - Right Handed .22 Evolution BHOA Kit w/Anti-Jam Charging Handle and 25 Rnd Mag

Does it work with piston on or off? do you have to turn it off or do you just put 22 bolt and mag in and shoot?
10/27/2010 2:11:00 PM EDT
[#1]
I answered your other thread
The piston doesn't have anything to do with the blow back system of the .22. But it would be a good idea turn turn it off to help keep crud out of the gas system.