Operating mechanism FN FNC
the fnc selective fire weapon uses gas-operated long-stroke piston system , rotating bolt locking mechanism equipped 2 locking lugs engage corresponding recesses in barrel extension. bolt rotated , unlocked interaction of bolt s cam pin camming guide contained in bolt carrier. overall, mechanism resembles of kalashnikov rifles, adapted more advanced design , production methods. rear part of cocking handle slot, cut in upper receiver cocking handle, covered spring-loaded cover automatically opens handle when goes , automatically closes opening when cocking handle returns forward.
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