AirsoftEirecom Changing a spring in M4M16 In Depth

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=bCU6ClFJ_oI

Changing a spring in an airsoft M4/M16 AEG.

airsofteire, v2, gearbox, spring, upgrade, downgrade, marui, classic, army, airsoft, tutorial, disassembly
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