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노리쇠 뭉치를 구성하는 부품들

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노리쇠집 내부

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공이 고정핀

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일반 AR15 공이 고정핀과 다르게 다 뽑아낼 수 없음(Captive Firing Pin Retaining Pin)

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완전 새로운 건 아니고 HK416도 A3에 적용

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일반 AR15용 공이 고정핀

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