M4 with Colt markings (plastic body)
the gearbox is made of steel
The tab that holds the charging handle is broken (the charging handle does not stay in place)
The pin that holds the gearbox is missing
Otherwise, it works well.
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M4 with Colt markings (plastic body)
Gearbox is standard steel/aluminum?
Charging handle retaining protusion is broken (charging handle does not stay in place)
gearbox pin is missing
Other than that, function properly