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Archived [ARCHIVED THREAD] - this maybe a tough question.
Posted: 3/28/2009 7:57:39 PM EDT
i have a bushmaster pof type gas-piston upper. i noticed on the pof site that their full auto models have a slightly different piston setup. the actual piston itself seems to be longer while the op-rod seems shorter. is this inerchangable with my sytem since i would like to have the strongest parts in my upper?

Archived [ARCHIVED THREAD] - this maybe a tough question.
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