【TAIWAN T-N.T. STUDIO】WE-GLOCK series modified APS-X HOP-UP System instruction.

【TAIWAN T-N.T. STUDIO】
T-HOP / TR-HOP GBBP COMPLETE KIT
​FOR : MARUI / WE / KJ SPEC. GBB PISTOL
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【TAIWAN T-N.T. STUDIO】
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