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Old November 13th, 2012, 16:14   #9
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Join Date: Jan 2007
Location: Saskatoon, SK
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ShelledPants, lurkingknight, everyone:

The better EBB systems like G&G's Toptech uses pneumatic blowback, which doesn't affect the mechbox or cycling of the gun.
Air from the cylinder is redirected up to the bolt mechanism, then returns back to the cylinder and out the nozzle as pressure lowers at the end of the cycle.

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