![[AIP] M4 / M16 Gearbox Ver.2 Buttom Head Screws (3x8 PM)](http://www.asiaairsoft.com/cdn/shop/products/AIP_M4M16GearboxVer.2ButtomHeadScrews_3x8PM_1024x1024.jpg?v=1623913924)
![[AIP] M4 / M16 Gearbox Ver.2 Buttom Head Screws (3x8 PM)](http://www.asiaairsoft.com/cdn/shop/products/AIP_M4M16GearboxVer.2ButtomHeadScrews_3x8PM_480x480.jpg?v=1623913924)
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