product31-HK74UN/MP74U upper for J12 gelsoft
thingiverse
适配J12水弹枪的HK74UN/MP74U前截总成理论上适配一些早期CYMA AK74U气枪所需零件：枪管节套与机匣：4-M4螺母，4-M410圆头螺钉拉机柄与活塞：1-Φ430销，1-0.6660拉簧枪管节套与活塞：1-Φ315销枪管节套与准星：1-Φ315销枪管节套与护木：1-Φ6*25平头销完整文件/all files：https://cults3d.com/en/3d-model/game/hk74un-mp74u-upper-for-j12-gelsoftHK74UN/MP74U upper for J12 gelsoftTheoretically adapted to some early CYMA AK74U airsoftParts required:Barrel sleeve and receiver: 4-M4 nut, 4-M410 round head screwCharging handle and piston: 1-Φ430 pin, 1-0.6660 tension springBarrel sleeve and piston: 1-Φ315 pinBarrel sleeve and front sight: 1-Φ315 pinBarrel sleeve and handguard: 1-Φ6*25 flat head pin
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