◀ J.T 頻道 ▶ GHK AR GBB 板機安裝 | GHK AR GBB Trigger set Installation teaching
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GHK m4 COMPLETE Disassembly Guide [Airsoft]
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◀ J.T 頻道 ▶ RA-TECH GHK AK V3 GBB 鋼製全行槍機安裝教學
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Receiver truing and Barrel threading with timing
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2024년 GHK DDM4 PDW Ver.3 내구성 테스트영상.
13:48
AK-12M1 - Lo Bueno, lo Malo y lo Feo del Nuevo Rifle de Asalto Ruso
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◀ J.T 頻道 ▶ Instruction for Maple Leaf GHK M4 GBB Hop Up Chamber Set (楓葉 GHK M4 GBB Hop Up座安裝教學 )
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